Simple: Go to worldcup.vevo.com right now! Three camera angles for you to choose from and integrated twitter chat below w/ hashtag #VEVOworldcup.
The broadcast is also live in the U.S. on ESPN2 and there will be a 2-hour special rebroadcast Friday June 11 at 8pm ET / PT on ABC.
Links to more coverage and info:
Disclosure: I am the director of interactive and social media for Control Room, executive producer of this event.