2020-11-18 IoB https://blogs.itmedia.co.jp/business20/2020/11/_iob_internet_of_behaviors.html?fbclid=IwAR0REiHNJuZ6Spnuj0Lmcpn2mf3dZ61ANnLcM9Fcd0aeRnbF6tKslU3wbYc