As in every sport. How did poker evolve into what it is today?

[thebigjhow]

In all sports and games there is an evolution of rules, forms, strategies, technologies. This is all natural. But how did this happen in poker?
What were the most striking features of each evolution?

 

[MrPokerVerse]

Can flip a coin on television coverage and online poker. Broadcast of poker fueled the interest to play, online was covenant.