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"If you're more likely to tweak your photos in Light Room than Instagram, you might want to take note of 500px's latest mobile update. The high-end photo-sharing app now lets you edit EXIF metadata, tags and location info for your photos, which should help with organization. Beyond that, its new transition effects and blurred backgrounds match nicely with iOS 7, and there's a fresh intro video and walk through for new users too. We're tempted to say this update has something for everyone, but that doesn't account for the app's Android users. After all, folks updating on Google Play this week were only offered a handful of bug fixes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2013/12/19/500px-ios7-metadata-update/>