The patent was only recently granted, but it was filed on September 27, 2011 - quite a long time before any of those dribbble concepts. Edit: link to actual pa

The patent was only recently granted, but it was filed on September 27, 2011 - quite a long time before any of those dribbble concepts. Edit: link to actual patent: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=18&p=1&f=G&l=50&d=PTXT&S1=(345%2F173.CCLS.+AND+20140513.PD.)&OS=ccl/345/173+and+isd/5/13/2014&RS=(CCL/345/173+AND+ISD/20140513) http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=H...