Quote Originally Posted by George1992 View Post
В современном мире всё завязано на гаджетах и технологиях -> all is based on или all is about?
It is colloquial. Is about | is connected with | is related to.

Если вы готовы сделать первый шаг к примирению, придерживайтесь нескольких простых правил -> Dictionaries read to hold something, but does this word exist in meaning to follow (rules)?
to follow the rules.