Digg.com’s founder Kevin Rose is a big Apple fan boy. We all know it. He has bought the new iPhone 3G already. Kevin demos his new phone on the popular show on Revision3 called Diggnation in a recent episode 159.  Unfortunately, when he is trying to show us the “iPint” app (available now at AppStore), it crashed so many times. Why iPhone OS 2.0 is so buggy for users?