Snapseed was a surprisingly big part of today's Google+ event, and largely for a single reason: a new feature called HDR Scape. Google claims Snapseed is the first mobile app to use the pixel-edge contrast method to produce HDR photos, which certainly sounds fancy. How does it stack up in reality, though? Most smartphones today ship with an HDR mode on-board, generally creating an image by taking multiple photos at different exposure levels and then combining them into a composite image.

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