Cool, but not coolest

Time.com's yearly 50 Coolest Websites tries hard to live up to its name. Sadly, the ever-changing Internet makes it difficult to be comprehensive.

First, define "cool". Second, is cool limited to English-language sites?

Don't fret, Ms. Buechner. For your efforts, The 25 Sites We can't Live Without is a commendable and, for many of us, pretty accurate attempt at enumerating sites we've already bookmarked.