Google is kicking off a global push for its enterprise apps. Actually, it's a continuation of its "Going Google" billboard campaign with messages that change daily, reports PCWorld.

Google says the campaign will be expanded to the UK, France, Canada, Japan, Australia and Singapore and appear “in train stations such as Paddington, La Défense and Shinagawa, and at airports in Singapore, Toronto, Dallas and beyond . . ., ” reports search engine land.

The New York Times has plenty of questions for Google about the apps. The company says 2 million businesses use the apps, but it has not disclosed the size of those companies, nor exactly how many of them use only the free versions.