Jobs cited poor performance on mobile devices, frequent crashes, high battery consumption, and availability of better open standards (i.e. In his 2010 letter, Thoughts on Flash, Steve Jobs outlined his reasons for Apple’s iOS devices not supporting the Flash standard, which arguably greatly accelerated its downfall. So why has the internet, which benefited so much from everything that Flash had to offer, suddenly turned against it? In a word, it had a lot to do with security issues and the closed ecosystem of Adobe.