Following the launch of its revamped mobile site earlier this year, Yahoo Thursday introduced its new mobile home page for the U.S. Hispanic audience -- Yahoo Mobile en Espanol. The move underscores efforts by Web publishers, wireless operators and marketers to cater to the large and highly engaged Hispanic mobile population.

Verizon Wireless' much-publicized ad campaign for the Droid is premised on pointing out things you can do with the Motorola smartphone that you can't with an iPhone, like use a physical keyboard or a 5-megapixel camera. But the iPhone can do things the Droid can't, like sell millions of devices.

Google's proposed $750 million acquisition of AdMob looks at first glance like a move sure to extend its online ad dominance to the mobile realm. But Google isn't the first major Internet player to gobble up a mobile ad network to gain an early advantage in the space. In 2007, AOL bought Third Screen Media and Microsoft acquired European-based mobile ad company Screen Tonic.

The typical Radio Shack outlet may not resemble an Apple Store, but soon they'll have something in common -- the iPhone. The electronics chain disclosed late last week it will begin selling the signature Apple device later this month at stores in the Dallas-Fort Worth and New York City metropolitan areas later this month.

Google has a new mobile partner -- Best Buy. Under a new initiative, associates at the electronics retail giant will install the online giant's free Google Mobile App on all compatible smartphones, including BlackBerry, Windows Mobile and S60 devices.

Catch Verizon's new commercial for the Droid that began airing in primetime this week? You couldn't be blamed for at first thinking it was another blockbuster movie trailer, opening with a formation of stealth fighter jets sweeping out of the clouds and dropping mysterious metal pods that hit rural parts of the country and splash down in the ocean like streaking meteors. Subtlety isn't the approach here.

Mobile ad budgets are headed up next year, according to a new study. Nearly one-third (31%) of ad agencies expect to spend between $100,000 and $250,000 on mobile advertising in 2010, compared to 22% a year ago.

Bored with Web 2.0 already? Welcome to mobile 2.0. A new study from Yankee Group proclaims the start of a new era in mobile technology defined by dynamic pricing for usage, the spread of applications and easier integration of networks, devices and apps.

New data suggests worldwide mobile phone sales may finally be rebounding. Mobile phone shipments totaled 287.1 million units in the third quarter, down 6% from a year ago, but up 5.6% from the second quarter, according to technology research firm IDC.