Yahoo! has sold Delicious to AVOS, a new company started by the founders of YouTube. You can read about it on the
Delicious blog and in the
AVOS press release. You might also want to hit up the
Transition FAQ for more details.
Looks like they want people to
opt-in to an agreement that lets them transfer your bookmarks, etc. to AVOS when the time comes, which they think will be this July.