Marc Cortez linked to a quiz to see if you can name the most popular websites in 2 minutes or less. I did it with 37 seconds remaining as pictured below (spoiler alert: the answers are on the pic so if you want to take the quiz don’t look at it).
B”H
Rightly Dividing the Word of Truth 
I couldn’t come up with Craigslist :(
Marc: Blogger was the one holding me up. I figured that sane folks don’t like Blogger because WordPress is so much better but after all else failed I gave it a shot.