We all know Facebook has 500 million users–heck, it’s even advertised on movie posters now. But many often forget another service that boasts more members than Mark Zuckerberg’s social network: Skype.

Google is still navigating the mobile ad landscape, but it says it has found one rip roaring success-- click-to-call ads. Surojit Chatterjee, a Google mobile ad product manager, tells GigaOm click ...

Research from Google has shown that the most common response to a mobile local search is a phone call. Advertisers have caught on, widely adopting click-to-call ad units in Google and Bing. In fact, ...

Phone calls are still a very viable marketing and sales channel, and call-click technology allows marketers to combine that traditional channel with digital marketing. Adding a call option to digital ...

Google’s click-to-call offering has received a lot of attention over the past few months, and for good reason. There is great value in offering advertisers an option to track and monetize mobile ...