How Does Facebook Manage Photo Access?

Staggering to think about: How does Facebook manage access so many photos? “Since it launched in February 2004, Facebook has grown into an online community where 890 million people log on each day. People share thoughts, photos, links and videos and like, share and comment on each other’s status updates. Users have uploaded a staggering 250 billion photos, with 350 million new photos each day. This online activity also produces some firsts for data management and distributed systems. With so many photos, and so many people constantly accessing them, what is the best way to store them? Questions like these interest Wyatt Lloyd, assistant professor in the USC Viterbi Computer Science Department.”