date:Jun 03, 2013
om and Jack Dorsey, a co-founder of Twitter and Square, have poured in well over $55 million - including a large cash jolt for San Francisco-based Philz Coffee in May.
Not your typical retirement investors, they are often coffee connoisseurs themselves and are eager to capitalize on the new breed of enthusiasts who were raised on espressos and lattes popularized by Starbucks.
Customers are willing to pay dearly for their java habit - $80 for a half-pound of rare, roasted beans and $3 and up fo