Bags are mysterious objects. They come in different shapes and sizes, with numerous pockets and compartments to keep your personal belongings organized. Everyone uses them and lots of people, even if they don’t say it aloud, are interested in the same question: “What’s in your bag?” Enter_Sakoos,_a new iPhone app by DigitalRev_–_an online camera retailer and social network best known for its hugely popular YouTube channel. While camera bags make up a large number of users submissions, Sakoos has blossomed as a place for anyone to show off their favorite satchel, handbag or rucksack. Just like Instagram, Sakoos offers a...

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