Dotted Lines: Paul F. Tompkins sings “Skyfall”

Every evening, the Daily Dot delivers a selection of links worth clicking from around the Web, along with the day’s must-see image or video. We call it Dotted Lines.

• Facebook is now the dominant social network in 127 out of 137 countries.
• Why tonight is the best night of the year to find a date online.
• Forbes profiles Tumblr founder David Karp, who lives an austere lifestyle despite his millions of dollars.
• 2013 is officially the year of the Ubuntu Linux phone.
• How Google boosted Google+ … by forcing people to use it.

Above: The inimitable Paul F. Tompkins covers Adele’s James Bond theme song, “Skyfall.”