X, once a simple bird, now aspires to be a jack-of-all-trades, or as Elon Musk would call it, an “Everything App.” Smart Cashtags are the latest tool in its belt, a shiny new gadget that lets users tap on ticker symbols like $BTC and, quicker than you can say “market volatility,” access charts and execute trades. Buy and Sell buttons? Right there, like a saloon’s swinging doors. Bier, ever the pragmatist, warns against the temptations of spam and harassment, lest the platform turn into a digital Wild West. “Crypto should proliferate,” he says, “but not at the cost of turning this place into a ghost town for decent folks.”