RT @smashingmag: Considerate use of the Page Visibility API can help make the web a better place. Here's why: http://t.co/9xCgPF3Rw6
— Jeff Lundberg (@jefflundberg) January 20, 2015
via Twitter http://ift.tt/KNlAoi
January 20, 2015 at 09:01AM
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