Sheldon: Listen to what Mr. Wil Wheaton is tweeting: "Best seats in house for Raiders screening. Suck on that, Sheldon Cooper."
Leonard: Why do you read his Twitter feed? You know it's gonna upset you.
Sheldon: I believe in knowing my enemy, Leonard. Had Twitter existed at the time, would not General Custer have followed the tweets of Sitting Bull? Would not Lee have followed Grant? Would not Spy have followed Spy?