The 21 ways Google makes money from mobile (infographic)

Google had its first $50 billion year in 2012. With its massive investments in mobile, someday it might make that much just on the little plastic and metal devices we carry in our pockets. Here's how.

Google’s Offer Extensions rolling out within a week, integrating deals with search

"It's a way better deal than Groupon," Kim said. "Also, advertisers can track this."

Google announces ‘biggest change to AdWords in 5 years:’ mobile is now baked in

"This is a huge simplification to how advertisers manage and track mobile advertising campaigns," Larry Kim, CEO of search marketing firm WordStream, told me today.

30 billion times a day, Google runs an ad (13 million times, it works)

13 million times a day, a product is sold, a white paper is downloaded, some personal information is taken. In short, some exchange of value takes place -- at huge, mind-boggling scale.

How Google makes $100 million a day — and how GOOG lost $21 billion last week (infographic)

Last week Google stock crashed 10%, shedding about $21 billion in market value, when its earnings were prematurely released. Google revenue was up ... but profit was down.

Google and sponsored search results: is there a “war on free clicks?”

What’s happening to Google? The search engine that famously barely tolerated paid links has transformed into a high-powered advertising engine that, in some cases, leaves just 15 percent of page space for regular, non-paid, organic listings.

Online marketing company Wordstream …

Are Facebook ads really that bad?

Facebook is getting ready for what may be history’s largest initial public offering for a tech company on Friday. But is it really a good business?

Maybe not, say an increasing number of critics, who point to how Facebook ads …