For some context these were unveiled in 2014 -
http://www.zdnet.com/article/google-introduces-project-tango...There was a presentation at Google I/0 2015 - https://www.youtube.com/watch?v=iP9m9a2KEN4
Lenovo announced at CES 2016 that the technology could appear in smartphones this summer. - http://www.lenovo.com/projecttango/
