An attendee wears Google Project Glass while listening to a keynote speech during the Google I/O Annual Developers Conference in San Francisco, California, U.S., on Wednesday, May 15, 2013. Google Inc. introduced a subscription music-streaming service, one of several product updates to be unveiled at a developer meeting this week as the search provider seeks to attract more users and advertisers. Photographer: David Paul Morris/Bloomberg via Getty Images
{"Image ImageDescription": "An attendee wears Google Project Glass while listening to a keynote speech during the Google I/O Annual Developers Conference in San Francisco, California, U.S., on Wednesday, May 15, 2013. Google Inc. introduced a subscription music-streaming service, one of several product updates to be unveiled at a developer meeting this week as the search provider seeks to attract more users and advertisers. Photographer: David Paul Morris/Bloomberg via Getty Images", "Image Copyright": "2013 Bloomberg"}