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Mobile Minutes: Google, Facebook team up; Apple?s audiobooks probe; In-flight Wi-Fi; Marissa Mayer

Google?s effort to keep its search engine relevant in a world of mobile apps just got a boost from a big rival. Facebook Inc., operator of the world?s largest social network, on Friday began allowing Google to crawl and index its mobile app, a spokeswoman for Google parent AlphabetInc said.

Germany's Federal Cartel Office has begun an investigation into Apple Inc's arrangement with Amazon for purchasing audiobooks, the competition watchdog said in a statement on Monday. It said both companies had a long-term agreement for the purchase of audio books by Apple from Amazon's Audible business for distribution via Apple's iTunes store.

For years, people have cursed lousy, expensive Wi-Fi on airplanes, with most of the ire directed at Gogo, the largest player in the field. Soon there may be fewer f-bombs dropped at 35,000 feet. 

A troubled Yahoo could be in for a top management change, and soon, SunTrust Robinson Humphrey Internet equity analyst Bob Peck said Friday.