Brad first reviewed Ping.FM back in march, and the service has come a long way since then. Today, they announced that they're ready to do away with invites and open up the service to the public.

Before getting my beta code, I really wasn't all that interested in any of the microblog/status sites that exist. There are just too damn many of them, and I don't have time to update a dozen sites every time I read or post something interesting. Ping has made that chore so unbelievably easy that I'm now getting some use out of my Twitter, Pownce, Plurk, Friendfeed, Rejaw, Facebook, and myriad other accounts.

Apart from using the dashboard on the Ping.FM website, you can also update via email or IM. All you have to do is add Ping as a buddy in your favorite app, enter a verification code, and any messages you send will be sent to your default list. If you're an iGoogle user, Ping's got a gadget for that, too. I've talked about their mobile version as well, which I love since it'll run on any old handheld with wifi access.

Ping is a great service, and I can't imagine trying to do manually what their service does for me. It's a winner.