SAN FRANCISCO--(BUSINESS WIRE)--SpoonRocket, an SF on-demand meal delivery start-up, is adding even more convenience for customers by providing a new way to purchase good meals, fast. The company announced today that it now accepts Bitcoin as a form of payment. To kick off the new offering, SpoonRocket will offer 50 percent off meals today to any customer who purchases a meal at www.spoonrocket.com using Bitcoin. Bitcoin is a payment choice along with Visa, MasterCard and PayPal. This is part o