What I’m wondering is, for embedded timelines or just a plain direct link URL, is it possible to tweet 2 people? So for instance:
https://twitter.com/intent/tweet?original_referer=&related=JakeMorrison24+tskimmett&screen_name=JakeMorrison24&source=tweetbutton
becomes
https://twitter.com/intent/tweet?original_referer=&related=JakeMorrison24&screen_name=JakeMorrison24+username1+username2+username3&source=tweetbutton
and then in the text field when they click the “Tweet To” button, it would say @jakemorrison24 @username1 @username2
From what I’ve seen, it doesn’t seem to be possible.