Yahoo trying to kill passwords in updated email app
![Yahoo trying to kill passwords in updated email app](http://media.pn.am/media/issue/199/010/photo/145x145_thumb_photo_199010_9df9c66cf.jpg)
The app update is important to Yahoo because more than half of its email users primarily check their messages on mobile devices.
The app update is important to Yahoo because more than half of its email users primarily check their messages on mobile devices.