I couldn't find any past threads, so I'll post it. A collegue who has a general member account with miles approaching expiration got a mailing: 2000 Bonus miles for taking any UA flight till Dec 15 2003 - offer combinable, any fare class except free tickets, and can earn up to twice.

http://www.united.com/promoreg?title...r&pcode=MPGW83


or use 887 on the registration line - 800-447-6772

Now...don't know if its targeted.