Huh? Am I breaking the rules or something? I don't know what you are saying sorry but it isn't useful to this discussion.

From the FAQ:

What to Submit On-Topic: Anything that good hackers would find interesting. That includes more than hacking and startups. If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity.

I asked others how they would build a chat system in 3 days, and my intention is to use that to understand how to solve my own question.