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Mobile Minutes: Facebook app’s new feature; Yahoo’s mobile sales; TripAdvisor’s mobile strategy; Glucose-monitoring app

Facebook is testing a voice-to-text feature for its Messenger app
Facebook Messenger offers the ability to send voice clips to your friends without typing any text. Now Facebook is testing a feature that helps people read the voice clips that were received instead of having to play them out loud.
Read more on Forbes

Yahoo’s mobile sales now make up 20 percent of total revenue
Yahoo’s revenue fell yet again this past quarter, but investors might take solace in CEO Marissa Mayer’s quote emblazoned at the top of the company’s press release: Sales of ads from mobile devices rose 23 percent in the fourth quarter and now make up about one-fifth of total sales.
Read more on Wall Street Journal

TripAdvisor mobile strategy: Forget ads on those tiny screens, instead optimize for clicks and commissions
Through both in-house innovation and acquisitions, TripAdvisor has launched numerous enhancements to its services in the last several months.  The most profound of these is on the TripAdvisor platform with Instant Booking that allows travelers to immediately book their choice of hotel or attraction within the app.
Read more on Forbes

First medical app system to monitor glucose cleared in U.S.
DexCom Inc. won U.S. clearance for the first system of glucose-monitoring apps that can be used with mobile devices such as the iPhone to remotely track the health of a diabetic.
Read more on Bloomberg