SPEAKER: Hello, world. This is the CS50 Fair, the first one since 2019. The CS50 Fair is an epic display of so many students' final projects here on campus, and indeed we're about to give you a tour of the very same. 

SPEAKER 2: We made a maze game where a ghost chases you while you're trying to get to the center, and touch the blue block. 

SPEAKER 3: If you have a database of notes that you've written, it'll read those notes, and it'll randomly-- I'll put them into a reminder. 

SPEAKER 4: But this basically acts as a review service in Harvard Square where users can go in and rank and review restaurants and then see if they compatible with another user. 

SPEAKER 5: That's an object detection website, where we can upload photos, videos, and then the website does an object section on it.