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Mobile Minutes: LinkedIn's app; Square's IPO; Yahoo's Mail app; Bernie Sanders' Twitter campaign

LinkedIn shows off Project Voyager, its new flagship mobile app 
LinkedIn yesterday gave a first look at a new version of its flagship mobile app. Internally known as Project Voyager, the app for mobile web, iOS, and Android is still in beta and will not be available for another few weeks. 
Read more on VentureBeat. 

Digital payment company Square files for IPO
Square, the digital payments company run by Jack Dorsey, has filed paperwork for an initial public offering. The company which is valued by private investors at $6 billion made the announcement after the markets closed on Wednesday. 
Read more on USA Today. 

Yahoo wants to kill passwords with revamped Mail app
Yahoo thinks it can make your password a thing of the past. It's part of a larger effort to revamp the Internet giant's email service into something so compelling and easy to use that it stands out among other email services like Google's Gmail and Microsoft's Outlook. 
Read more on CNET.

Bernie Sanders makes big Twitter purchase
Ahead of the Democratic debate, Sen. Bernie Sanders became the first 2016 presidential candidate on Tuesday to pay six-figures to take over Twitter?s top trending topic. Twitter users watching the debate via their smart phones will see the hashtag #DebatewithBernie at the top of the national trending topics ? above the hashtag for the debate and other popular items for the day. 
Read more on the Wall Street Journal.