Why More iPhone Photo Apps Are Talking to Each Other » Life in LoFi: iPhoneography | iPhone Photo News, Showcases, App Reviews
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They’re two dif­fer­ent APIs. One is called “Open In…”. The other is “Pho­toAp­pLink”. They’re both great hooks in photo apps that lets you bypass sav­ing images to the cam­era roll and open the image direct­ly in anoth­er app.

It’s a great…