http://community.uxmastery.com/about for example, the text is pleasantly concise, and appears fine in tweets:
A place to seek & share UX advice
Eight words. Short and sweet.
@HAWK please, can you recall whether you ever used anything significantly more verbose?
If so, did you gain a sense of whether conciseness of the
/about text is an attractor, in media such as Twitter (as pictured above)?