There’s a classic Seinfeld episode where the character of George, played by Jason Alexander, is concerned that people he knows from one context are invading an entirely separate context. “Worlds Are Colliding!” he announces to anyone who might care. Seinfeld was a big hit, but was produced at a time when our social media was unknown. Today, I wonder the degree to which George would obtain separate accounts for his “worlds.” You can imagine my surprise when Leonard, a cousin…