There are lots of guys who can decipher tells
just by body language and that is the biggest edge you can have as a live player.
Online, you never know whom you're playing against.
For all you know it could be the best adapting algorithm you might be up against.
Live game also has a factor where by the tone of your voice when you say 'raise' pros can ballpark your hand range and with what you're calling post-flop of course.
I've read that players can tell how strong your raise is by looking at the way you drop the chips on the betting ring.
Live games evolve at a different pace as compared to online.
are never displayed and you gotta eyeball.
Understanding of Socioeconomics becomes more prominent in live games.
Things like what to expect when you're up against the chip leader etc..