"Landed in Los Angeles. 48 hrs w/ no sleep & no time to rest now. Our big multiplayer reveal event is tommorrow. Rehersals today. Can't wait!"
http://twitter.com/fourzerotwoLooks like it's a "First To Play Event", which means someone is playing MW2 multiplayer.
From IW_Hyphen's Twitter:
"@Starrdrum17 the first to play event? i believe its open to everyone
i'm gonna try to make it there."
http://twitter.com/IW_hyphenMajor Nelson and AceyBongos of Xbox are attending the event, and AceyBongos has confirmed that the event starts at 7:30 pm PST, 10:30 pm EST, and 3:30 am in the UK.
From Major Nelson's Twitter:
"I get to hang out w/ @fourzerotwo and play #MW2 MP tonight. All in all a great day"
http://twitter.com/majornelsonFrom AceyBongo's Twitter:
"For those asking the #MW2 event kicks off at 7.30pm LA - so that's 3.30am UK! I'll be tweeting anyway and we're filming for Inside Xbox"
http://twitter.com/aceyBongosNo multiplayer videos have been confirmed. All we know is that this is an opportunity for people to play MW2 multiplayer.
AceyBongos may be updating his twitter throughout the event, so his Twitter page listed above might be the best place to get info.
Source