Seesmic announced today that it has acquired Ping.fm. This is a service that has half a million active users posting daily from various devices by sending email, text messages, and chat.

Twitter has partnered with Telstra to launch Twitter SMS in Australia.

"As always, it is free to receive notifications and standard text messaging rates apply to sending," says Twitter’s Kevin Thau. "It’s the same pricing as sending and receiving text messages from friends."

Google Voice just became much easier to use for Blackberry and Android owners as a new mobile app has been released.

Will you be downloading the new Google Voice app for Blackberry or Android. Tell us.

Google’s Android represented a big step in the mobile market; it’s meant to run on the newest devices and keep up with the best competing operating systems.  Yet $400 smartphones aren’t really all that affordable, and so for people in Africa, Google SMS has been introduced.

Facebook is now offering its users the ability to receive their friends’ status updates via text message on their phones. If you click on the "subscribe via SMS" link below your friends’ profile pics, you get their latest updates this way.

Canadian Twitterers using Rogers or Fido can now update to the service and receive updates using SMS. Tweets are treated as standard messages by these services, so there are no extra charges according to Twitter co-founder Biz Stone.

There is always plenty to discuss about Facebook as the site continues to grow rapidly. However, there are a few items of interest floating around the blogosphere currently that I wanted to highlight here.

Google has launched a preview of Google Voice, which is an application that lets you manage voice communications by converting voicemails to text. Google Voice is the new version of GrandCentral, which Google acquired back in 2007. For now, GrandCentral users are the only ones that get Google Voice.