Google today updated the Chromecast app for iPhone and iPad users adding a feature announced earlier this year at Google I/O called Backdrop. When the Chromecast HDMI streaming stick isn’t playing content like Netflix or Pandora Radio through your TV, it already displays the current time and featured photos as a screen saver, but now Chromecast users can display additional content like weather conditions and news headlines on Chromecast-connected TVs. Chromecast also now supports using your own photos from Google+ albums as the backdrop. expand full story