Amazingly cool. Hopefully just only ever used for the good of humanity. Thanks for sharing

Talking to each other directly was always possible. How? Via Telepathy.
You don't need «Technology» for this stuff if your «Psi» was not disrupted.
What disrupts Psi? Religious-Intolerance, Fluoride, Pineal-Calcification, Stressors, etc.; I may as well also go as far as to say that watching the «news» (e.g.: MSM) all the time also «suppresses» it.