Don't forget the give away offers
from at least one carrier in the USA. sign up for a Galaxy 7 on contract and get a free tablet.
I would imagine that lured a good few punters into the world of Android. One eager salesdroid tried to tempt me with one in a Mall in Portland, Or back in June. To his credit, he gave up when I told him how much (i.e. little) I was paying on my UK rolling one month contract with 3 that gave me free roaming in the USA.
Then there is the decline and inevitable death of Microsoft Phones as well a Blackberry.
Shame about these really because we need more choice of systems. IMHO, it won't be long before it will just be a choice between the Apple Walled garden or the Google/Chinese Gov data slurp on Android.