Oh, Internet. You’ve been around for a few decades now, but you can still delight. Today, that source of delight comes from a brilliant Tumblr called “Love, Grampa and Grandmaster Flash.” Some genius noticed that an absurd number of grandparents—in attempting to sign their Facebook posts “Grandpa” or “Grandma”—accidentally let Facebook autofill the tag and ended up with seminal hip-hop emcee Grandmaster Flash. It’s a small, silly mistake, but it is (a) incredible how often it happens and (b) a riot to see notes that read, for example: “Hi sweetie …just sending you a hug …love, Grandmaster Flash” …