Google going mobile?

In 2 years since it went IPO, Google has purchased 1+5 companies, including four that specialize in mobile software - so a deal with one or more cellphone providers (or whatever the next generation is) seems on the cards. They include

Dodgeball.com - mobile social networking service
Zipdash Inc. - traffic information
Reqwireless Inc. - web browsing and e-mail on mobile phones

More here