You just e-mail and text and Twitter...
The Big Bang Theory Season 4, Episode 1
Yes, how did we live before Twitter?
The Big Bang Theory Season 2, Episode 23
I sent out a very emphatic Twitter.
The Big Bang Theory Season 2, Episode 3
just hit 100
Twitter followers.
The Big Bang Theory Season 5, Episode 12
Tushy-face.
That is going on Twitter right now.
The Big Bang Theory Season 3, Episode 10