Automated Bot

We are seeking experience developer who has developed similiar Bot that works on MySpace or Youtube or AOL AIM Chat for example, one or multiple of the following functions - Instant Messager Broadcast - IM Friend Auto Authorise - Account Creation - Friends Adding - Text / HTML Commenting - Message Sending - Bulletin Posting - Video View - Video Rating NOTE : Must be able to run multithread in high speed, prefer Linux base solution. Pls present your experience with your bid. Details will be available in PMB to shortlisted candidate.