Google's SVP of Mobile just provided us with another glimpse inside the horse's mouth, claiming that Android scored 3.7 million new device activations over Christmas Eve and Christmas Day. To put that in context, Flurry reported that total Android and iOS activations on Christmas Day alone totaled 6.8 million. If we can accept a very high margin of error, and if we assume that the vast majority of Rubin's activations were on the 25th, we might extrapolate a roughly even split between the two rival platforms.
2DayBlog.com, Android and iOS share the same Christmas present: seven million total device activations