90 Seconds On The Verge90 Seconds on The Verge: Tuesday, July 31, 201290 Seconds on The Verge: Tuesday, July 31, 2012By John Lagomarsino Jul 31, 2012, 11:33 PM UTC|CommentsShare this storyCommentsMost PopularAmazon just opened up its Sidewalk network for anyone to build connected gadgets onElon Musk and top AI researchers call for pause on ‘giant AI experiments’Amazon starts flagging ‘frequently returned’ products that you maybe shouldn’t buyThe Verge’s 13 favorite kitchen toolsTears of the Kingdom is going to ruin our lives, and I’m here for itFrom our sponsorAdvertiser Content From