http://money.cnn.com/2015/07/14/tec...k/index.html?sr=fbmoney071415firefox1000story
Mozilla blocked Flash by default in its Firefox browser late Monday night, a day after Facebook's(FB, Tech30) security chief called for Adobe to kill Flash once and for all.
But the tide began to turn in 2010, when Steve Jobs wrote an open letter rant about Adobe's security, blaming the company's Flash player for being "the number one reason Macs crash" and citing Flash for having "one of the worst security records in 2009."