If your friends use IM services, you can use an IM aggregator like imo, Meebo, or IM+. There's also eBuddy, but in the past they have sent passwords to their s

If your friends use IM services, you can use an IM aggregator like imo, Meebo, or IM+. There's also eBuddy, but in the past they have sent passwords to their servers in plaintext. disclosure: I work at imo.im.