How Google Buzz for mobile will change your life
sfgate.com
sfgate.com
I think similarly there will be moments to check Buzz for the group.
If you're on a date with a hot chick/dude, just do it when s/he/you go/es to freshen up.
It is far more interesting to see whats going on in your city and communicate with locals then what twitter offers.
the more useless it becomes.