Unrelated: Apparently Twitter was originally twttr, and in 2006, techcrunch had this to say about the service:
There is also a privacy issue with Twttr. Every user has
a public page that shows all of their messages. Messages
from that person’s extended network are also public. I
imagine most users are not going to want to have all of
their Twttr messages published on a public website.
To summarize: Yahoo (which owns Flickr) got the domain today, but no one's saying how much they paid for it or whether the transfer was the result of a lawsuit.
They cite this DomainNameWire piece, which offers more details but doesn't provide sources for them: