These technologies had transform the Tokyo Olympics. How & Which ?

These technologies had transform the Tokyo Olympics. How & Which ?
Here are how , Athletic achievement will share the limelight with these technologies at the 2020 Tokyo Summer Olympics.
1) Army of robots to help visitores
2) Language translate
3)Autonomious taxi
4) 8k TV Broadcast
5)Hydrogen powered olympics village
6)High speed maglev trains
7) 5G wireless
#tokyo #technology #olympics #5g #8k