On Wednesday, 15 May 2013 at 23:16:02 UTC, Nick Sabalausky wrote:
detect URLs and not count them towards the total msg length, or something else?
This is basically it. When you post a link to twitter, they detect the url and rewrite it into t.co/whatever shortlink on their end. Then that is used in the message and counts toward the length instead of the original full link.
