BBC.com reports that Time Magazine named YouTube and MySpace as two of the top 50 “coolest” web sites in its annual roundup. Time breaks down its listing into categories including: entertainment, shopping, and news. Many of the web sites chosen for this year’s list include so-called web 2.0 sites, sites that give users the chance to both create and share content online. Some other sites that made the cut in 2006 are Meebo, an online instant message service, Google spreadsheets, and the music service Pandora…