What is an immensly popular device? "The iPhone"? Because they come out with new devices called that pretty regularly. And if you consider them all to be the sa

What is an immensly popular device? "The iPhone"? Because they come out with new devices called that pretty regularly. And if you consider them all to be the same device you don't get to compare them to just one model of an android phone. That flickr link helps because it shows specifically the iPhone 6 to be the device most people us to upload pictures to the service. But that's hardly a perfect metric.