My understanding is Vodafone owns 45% of Verizon Wireless which Verizon (the parent company) wants to buy out, giving them full control of Verizon Wireless and shoving Vodafone a bit out of the US market.
Somehow I don’t think Vodafone would be okay with that
Another 3 based on adoption of smartphones after the iPhone?
I’d be interested to see how many gmail users adopted 2-step authentication – I think it might be one of the best proxies we have so far.