Roughest part about changing to DASH is the ability to search for it via google.       When I tagged one of my posts on FB with #DASH, I saw that Amazon introduced a DASH button.   Obviously this isn't mainstream yet but would still be nice to get some search results when telling people about it.

Amazon's Dash Button
http://boingboing.net/2015/03/31/amazon-introduces-wi-fi-button.html