What happened to Halo 3 Big Team Social?

[carnivore]

I was on Halo 3 yesterday and when i went to BIg Team Social my gamertag was blinking and said that I didn't have the new content or something. What does it mean? Will it work eventually?

 

[Jonjo]

Might of been the new maps , they are free now go to marketplace.

 

[Swag]

Did you get the new maps? that must of been what it was