There’s almost complete overlap between China’s internet population and its mobile penetration, as most of its 800m Netizens are online via mobile. In the US, more than 20% of internet users are still desktop-only users.
Where things really get interesting is with mobile payments. CNNIC data from China shows 527m mobile payment users (WeChat Pay claims 800mregistered users). In the US, there are only 48m mobile payment users.
Smart companies will start targeting specific city/clusters to concentrate growth efforts - to gain a healthy share in a smaller geography - and then use that momentum as a base for broader expansion.
Each city/regional cluster also represents unique cultural dynamics. National advertisers will therefore usually have 3-4 ‘cluster concepts in motion concurrently.