5 Celebrities Who Have Launched Mobile Apps


kholmes | January 25, 2013 - 11:07 am

Diddy's Blackbook

4. Diddy

In 2009, Diddy decided to share his favorite places for good eats with his app “Diddy’s Blackbook.” The free app uses the iPhone’s GPS chip and figures out where you are and then tells you all about the nearest Diddy-verified restaurants, hotels, bars and clubs.