Ryan Leslie gave every fan his phone number. It’s (915) 600-6978. But instead of a million unwanted phone calls, it’s making him money and giving him deeper intelligence about his listeners than anyone in the music business. That’s why A16z’s Ben Horowitz, Betaworks, and more investors just put a $1.5 million seed round into Leslie’s startup Disruptive Multimedia. It’s turning the SMS-based CRM and direct sales tool called Superphone that Leslie coded himself into a product any celebrity or creator can use to galvanize and monetize their audience.