Motion sensors make avatars dance, via Mark Bartkevitch. Some new technologies about holograms you find here: “A Hologram of Anyone Speaking Any Language” (1 year ago): https://www.facebook.com/EngineeringML/videos/848988852139613/?fref=mentions&__xts__%5B0%5D=68.ARBDKew6dZ7QywxQwO8A6gv_CsYKQQSBGcoHM8DsUIltO6tCTDroRVC9IXf4BDS-uFqfAi-ia10ZMiyGm3Pb5pMwtSG3OyyuNldzLw2I7hl6B1vmaQdO_Yru7EnjbXGcprHwnrBYpAUw8eaT43FIg1bR5bFVJfTiX7v8ntaGaSY7-lLD5YX_2BA4q2ng9fviFVhDKCDGRav9pSi6nTeIz3cIJ1GE9guomWoAlECPkv0R84isuVEUDbIBCGxgXj8BCDGkCdfYxRZiSlBrlg9GmytES8KUL81yP37po0XE5jhv0GmbjDfhBoE6cR8uHEzpIfLRKlyIdbtzeAuVpciU0J2H2iI09WxkJL62sg&__tn__=K-R and https://bit.ly/308uV3h.