$1.$ How many requests from users does ESPN receive each second? Do you think this is a consistent pattern or does it have peaks and valleys? When does it peak?

$2.$ Why does ESPN store personal information and preferences on its databases and how does this personal information complicate the ability of ESPN to respond to requests from users? Why can$$t ESPN just use Web page caching to handle the loads?

$3.$ How much information on users does ESPN store? Why does this pose a challenge for ESPN? Can$$t it just use a standard $1$ terabyte hard drive from a PC$?$ Why can$$t it use a single PC$?$