Originally Posted by ChrisDom

Multiple, I think it's a 3 day thing.

Here's the schedule.

Tuesday E3 Schedule
8:30AM -- 5:30PM
- 9:00 AM Nintendo Media Briefing
- 12:00 PM Sony Media Briefing
- 1:00 PM TBA (To Be Announced)
- 1:20 PM TBA
- 1:40 PM Half-Life 3