Twitter 140 character limit based on the SMS limit of 160 characters

[nealrodriguez]

i am not much of a mobile twit user; nonetheless, it's interesting to know that the idea was inspired by narrowing their focus to ensure that messages could be successfully delivered on mobile platforms.

More Canada, Please [blog.twitter.com]

A driving idea behind Twitter has long been to extend the power of a real-time network to mobile devices everywhere through the simple technology of SMS. We're thrilled to activate full, two-way SMS to many more people in Canada with no additional fees and we're working on the rest of the world right now.

and until that day comes, i guess i'll just be a land liner

[dmorison]

I think it's a shame that twitter has a single namespace.

Facebook handles this ideally of course - and lessons learned for any aspiring social networking tool should be to realise that there are thousands of people in the World with the same name!