Just like you guys in India need tea for caffeine, we here in US use Coke or Pepsi for Caffeine. Atleast I do. It helps me keep awake and it helps me to drive long distance, without sleeping on the wheel. So for me, Coke is something that helps me live as without it I would sleep on the wheels and get into serious accident.
LOL;-) But in the long run, I dont think Coke or for that matter any Soda is good. It just gives o calories and makes u fat. I think chach is better.
:0-)