Geekolinks 2/5

1. The best Valentine’s Day cards to buy for your favorite geek (The Mary Sue)
2. Eight new competitions are debuting at the Sochi Winter Olympics this year (Neatorama)
3. In which Jerry Seinfeld says some unfortunate things about diversity in comedy (The Jane Dough)
4. Guys, there is no love triangle in Harry Potter. Cut it out. (Flavorwire)
5. However, we DO want to believe that Dumbledore is actually a time-traveling Ron Weasley. (The Toast)
6. At one time, Paul Revere used to be a dentist (Mental Floss)
7. This guy is using Game Theory to clean house on Jeopardy (Mediaite)

(Title pic via DEATH-BY-CIRCLEJERK on Reddit)