Forbes -
16 May 2013 15:32

When Apple first announced iPhone 4S, there was a nice surprise in it called Siri. Siri is a virtual intelligent voice assistant. Siri caught the imagination of the masses. iPhone 4S sales took off. Analysts had to scramble to revise their iPhone 4S sales estimates upwards. The revised estimates started another leg up in Apple stock. Prior to iPhone 4S launch, there were serious concerns about Apple's ability to continue the pace of innovation after Steve Jobs passing. As the enthusiasm built, S...
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