http://u.qdnx.org/file/rozzin-20160908T205853-7khweug.html
#Google's migration of #GMail users from the #GoogleTalk backend to Hangouts would have actually been pretty good for an internal corporate rollout where 100% migration was achieved with intense handholding. But for something this public, they should have at least sent stragglers an e-mail with specific hard cut-over dates—instead of assuming that if you weren't present for the parade then you didn't matter.