>> It took off because back then having an iPhone was an exclusive thing and Apple promoted it in one of their early app commercials. I can guarantee 100% that

>> It took off because back then having an iPhone was an exclusive thing and Apple promoted it in one of their early app commercials. I can guarantee 100% that if Bump was not associated with Y Combinator, they would not have been mentioned by Apple. It has more to do with business connections and network effects than actual usefulness to the consumer. >> Not sure why you're picking on the accelerators. Because often they create hype around products which aren't actually useful. In doing so, they take attention and funding away from other products that are actually useful.