A gobsmacked Jim Cramer gets an on-air call from Apple’s Tim Cook by Philip Elmer-DeWitt @FortuneMagazine March 13, 2015, 1:35 PM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons Mad Money‘s Jim Cramer says he didn’t know when he took an on-air call from “Tim in California” that the caller was Apple CEO Tim Cook — and we must take him at his word. He certainly seemed surprised. He’s blown hot and cold on Apple over the 10 years the show has been on the air, but he had nothing but praise on Thursday. “I want to congratulate you for running the greatest company on earth,” he gushed, “and for creating such amazing wealth and the best products on earth!” Cook, meanwhile, used the opportunity to promote those products and to offer a few updates: ResearchKit: Within 24 hours of the medical research platform’s announcement, 11,000 volunteers signed up for a cardiovascular disease study through Stanford University’s app. According to Stanford, it would typically take 50 medical centers an entire year to sign up that many participants. Apple Pay: The number of locations accepting Apple’s contactless payment system has more than tripled in six months to 700,000. Apple shares: In Mad Money’s 10 years, Apple’s share price has grown exponentially, from less than $6 a share (on a split-adjusted basis) to more than $124. . Below: The 8-minute episode. Follow Philip Elmer-DeWitt on Twitter at @philiped. Read his Apple AAPL coverage at fortune.com/ped or subscribe via his RSS feed.