{"download":{"MP3":"http:\/\/downloads.cs50.net\/2012\/fall\/lectures\/2\/week2w.mp3","MP4 (240p)":"http:\/\/downloads.cs50.net\/2012\/fall\/lectures\/2\/week2w-240p.mp4","MP4 (360p)":"http:\/\/downloads.cs50.net\/2012\/fall\/lectures\/2\/week2w-360p.mp4","MP4 (720p)":"http:\/\/downloads.cs50.net\/2012\/fall\/lectures\/2\/week2w-720p.mp4","MP4 (1080p)":"http:\/\/downloads.cs50.net\/2012\/fall\/lectures\/2\/week2w-1080p.mp4"},"srt":{"afr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/afr\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=unCUYmD1ids6zBe91fJgUqQ349s%3D","alb":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/alb\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=YGnTTlXM1a39AUKTQnvqnlz8MFA%3D","ara":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ara\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=tFIRUAquzYZ9xNhflH5VIiLNaKs%3D","aze":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/aze\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=RQxIi6PcenjYnuIbekUecH4X5x4%3D","baq":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/baq\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=XfcYtni0ML4DmkDkvcCBkDkAve0%3D","bel":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/bel\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=WdBoZbkvlFcyA6FTdMkRfOGatNQ%3D","ben":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ben\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=TSHjIX4zSCGITnhDurN7RqBgUGQ%3D","bul":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/bul\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=UNyhHH%2FtQ%2Fcv%2B9OwwSO7MmaTBX8%3D","cat":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/cat\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=8VFdIBmZKghbpCkgVOxOsUsxqUA%3D","chi_hans":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/chi_hans\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=cHtci6bkcKDGkT%2B4Rum6xOo1SJ0%3D","chi_hant":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/chi_hant\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=7fAyunwjntyYKyIRiPNrKqa33Hg%3D","cze":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/cze\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=GVKGb8FSAVTAWBMbDqQS0W5U1kM%3D","dan":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/dan\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=p%2B%2FD7pj%2Fi4d8ht2%2ByYCsXwWoq74%3D","dut":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/dut\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=YtF%2F%2B86RV1ON%2F5kMnY4t90R7czE%3D","eng":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/eng\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=Q1Rd4Z9OHpfqAPH8jRg%2BvpIXJ0g%3D","epo":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/epo\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=SMBAlISMTtukuv76MsLGiXFaPmg%3D","est":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/est\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=NT9zCeM3c5WG%2FlfzJTOCI6WUMGY%3D","fil":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/fil\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=8v9nwzQTUVAUBa%2Ba%2F4aQUEgtrFo%3D","fin":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/fin\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=F2fYh7PFkrAg0Uzg7PLFwJRcIaw%3D","fre_fr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/fre_fr\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=qrqSkIAlwAgmqs6Hfu2BThlxbUg%3D","geo":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/geo\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=xbwundxpKaTd0AiJ0T1KWICxg2o%3D","ger":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ger\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=54fct4UlOq7T%2FPfK8gKnpWjNPTg%3D","gle":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/gle\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=YnqhTCL7nWavPu%2FadOlzptrLOLc%3D","glg":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/glg\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=2n54%2BsCmxxqHtQvbNvrv2w7etIw%3D","gre":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/gre\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=r8cZ5QoKtcVNVf%2BpPu0cMFT8QyU%3D","guj":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/guj\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=yI0AqmXR9uivbZGOAamoe6dn4F8%3D","hat":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/hat\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=BeO8lchajfAYsPY3PcvGkD%2BveOI%3D","heb":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/heb\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=CcIPL9HTHbut7pptf5zSDU4QNXY%3D","hin":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/hin\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=ecMpMhkIH4mA7MaHfSe9za2SHuQ%3D","hun":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/hun\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=cPzQ185%2FbWv1HMtndhJh9iEWdaQ%3D","ice":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ice\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=dBBFWXuN9nJj%2BaubpoyjxRqDCYQ%3D","ind":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ind\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=kXjv5Iq%2Bc2m5kJhhfX%2BYTSy79Mk%3D","ita":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ita\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=R5RAGeKeMiaRnLwjFysoxG%2FHBws%3D","jpn":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/jpn\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=w01edh%2BchwOd4LAaTqZn%2BOv0ws8%3D","kan":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/kan\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=ywmwq5VqxuoRYqScHjEfXAN30ow%3D","kor":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/kor\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=Tg7GEa8KJlWS4DIEqTf3mkynA5A%3D","lat":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/lat\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=I6pECW08FbgXoAgp8MrrBPttJ4A%3D","lav":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/lav\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=CpTjakuokW%2B4JsX5ibRjNDUaG3s%3D","lit":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/lit\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=xQrk%2BL8rGYgnYqbb2%2FuLdj738DM%3D","mac":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/mac\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=YnTFTHVfRrxbmJn3u4ZMI4rVI0A%3D","may":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/may\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=ivShLsm7Zyv%2BPWG%2Bi%2FzbzA55i0g%3D","mlt":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/mlt\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=O8BGFE5hFUwsDLT4M7bQcNGn7A8%3D","nor":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/nor\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=4JNT2ibgRW9x17rXidPaylXOYEM%3D","per":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/per\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=hKhFQkROM0huR35crg7CzUKvs4s%3D","pol":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/pol\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=Tn4k%2Bqs5bcbc%2BhKKVh4zUNsE6tg%3D","por_pt":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/por_pt\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=R9WMECSwgEkEjLpaS%2BBy0f%2B7f64%3D","rum":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/rum\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=1OF78NHhCvr%2FFuayxfXQmknMZcM%3D","rus":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/rus\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=202V4cuS2bPOdWk37HF5aCYc86M%3D","scc":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/scc\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=7uX2vhLVip9f1TXW6EVcCPjpEX8%3D","scr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/scr\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=3CzYqA2yjKdOBHQ7%2Fj8%2BZpPqC90%3D","slo":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/slo\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=yjkJZyyP6yXFR7yL7%2F0sQFKBIMM%3D","slv":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/slv\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=xhlu1w2efR5YyuiyyoW6k43gZgg%3D","spa":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/spa\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=zYEeVC%2FdwOqAloMXbD4jMcO%2BTcI%3D","swa":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/swa\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=IK5Rj98R3iuKuvIVhYGqXVhlVJs%3D","swe":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/swe\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=YuCY15MKCYuNKcHFxPHmlz%2BzwmE%3D","tam":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/tam\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=cZVIfQ9v000%2BWsR%2FN6nhuROBjlE%3D","tel":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/tel\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=YuzOQi%2FuWx1FOECm0aDvefNKq%2Bo%3D","ukr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/ukr\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=Brj1G2KecwVwKr2DPl3zLwoej1Y%3D","urd":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/urd\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=%2Bx1vEyuUrpZjFLAjtdMBOgB17rI%3D","vie":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/vie\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=i7%2FECUS3u43mL1vUYzgWFIjnmeo%3D","wel":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/wel\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=sBs3Itmijna1qdRnAtH9e0cC2k0%3D","yid":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/lectures\/2\/lang\/yid\/week2w.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1388679414&Signature=H80Bp6xwAbeulsl%2BqHVZNkJX1Gg%3D"},"thumbnail":"http:\/\/cdn.cs50.net\/2012\/fall\/lectures\/2\/week2w.png","streamUrl":"rtmp:\/\/stream.cs50.net\/cfx\/st\/","title":"Week 2, Continued","author":"David J. Malan","video":{"240p":{"height":240,"width":426.66665649414,"framerate":29.97,"bitrate":190411,"duration":4601,"path":"2012\/fall\/lectures\/2\/week2w-240p.mp4"},"360p":{"height":360,"width":640,"framerate":29.97,"bitrate":637687,"duration":4601,"path":"2012\/fall\/lectures\/2\/week2w-360p.mp4"},"720p":{"height":720,"width":1280,"framerate":29.97,"bitrate":1625970,"duration":4601,"path":"2012\/fall\/lectures\/2\/week2w-720p.mp4"},"1080p":{"height":1080,"width":1920,"framerate":29.97,"bitrate":2626074,"duration":4601,"path":"2012\/fall\/lectures\/2\/week2w-1080p.mp4"}},"torrents":{"MP3":"http:\/\/torrents.cs50.net\/2012\/fall\/lectures\/2\/week2w.mp3","MP4 (240p)":"http:\/\/torrents.cs50.net\/2012\/fall\/lectures\/2\/week2w-240p.mp4","MP4 (360p)":"http:\/\/torrents.cs50.net\/2012\/fall\/lectures\/2\/week2w-360p.mp4","MP4 (720p)":"http:\/\/torrents.cs50.net\/2012\/fall\/lectures\/2\/week2w-720p.mp4","MP4 (1080p)":"http:\/\/torrents.cs50.net\/2012\/fall\/lectures\/2\/week2w-1080p.mp4"},"videoUrl":"http:\/\/cdn.cs50.net\/"}