Here is a good history of twitter: http://profilerehab.com/twitter-help/history_of_twitter
@JEFFHARDYBRAND on Twitter, I have no idea about Facebook
This simply hasn't been developed onto the website by the Twitter creators. You could always send them feedback via their contact forms to suggest the idea.
I have no idea. :) 'o'
i have no idea because i am 8 years old and dont have twitter so why u asking?
It can be both good and bad, it depends on the person using it.
It was invented by Jack Dorsey.
A hybrid between Facebook and Twitter.
It's a good idea to but you don't have to.
stalk their twitter
No idea. However, you can follow notch's twitter and stay updated on his progress.
I have no idea though probably not, he probably has a twitter. -dirt bike girl
You can change your username in settings.