Hacker News Reader

You could also just start with "What time is it?" and see what you get back, right?

I believe that's UDP. :)

it ? is time What What ?

Who is this? What? No! You called me!

But person A might not be ready to ask a question, and person B doesn't want to wait around forever to have a conversation with someone who might not even be able to hear them.

Both sides need to know to "commit" to the connection.

Reply on news.ycombinator.com