Before it was the world’s most talked-about social media domain, X.com was a pioneer in the wild world of early online banking! Founded in 1999 by Elon Musk and a team of tech enthusiasts, it was a bold "impossible dream" that allowed people to send money using just an email address—a total game-changer at the time. After a bit of early drama and a merger with its rival Confinity, the company eventually evolved into the digital payment giant we all know as PayPal. It’s a classic Silicon Valley tale of big risks, major pivots, and a very valuable letter!