9 app dev projects you should cancel in 2013

Many developers like to create software from scratch, even when there's perfectly good reusable code from other projects, open source, or even commercial products available to do the job. The justification for rolling your own might be ego-driven, based on a notion that no one else will do it as well as you do. It might be a habit, perhaps derived from computer science school projects where students had to create their own compilers so that they'd understand what really happened to code at the machine level.Leonardo DiCaprio Kiefer Sutherland Jim Carrey Cameron Diaz Gisele Bundchen Renee Zellweger Carson Palmer Michelle Wie Reese Witherspoon Bill O\\\\\\\\\\\\\\\'Reilly