I guess most of WordPress users know that, Ping-O-Matic is their default Update Service..
Your WP Dashboard > Options > Writing > Update Services
.. and actually you can add more place to ping besides Ping-O-Matic. Check the updated list and read more in here and here. But remember, Ping with caution. In other word, ethically.
Additional reading : What is Ping?
i thought ‘ping’ was a type of sport… ping pong?
[Me : Hey ben, I can’t say u are wrong! You are “ALMOST” right.]