During a keynote speech at Twitter's own Chirp conference, company co-founder Evan Williams revealed that like BlackBerry and the iPhone, Android will also be getting an official Twitter application.

It's not clear where it'll come from - whether it'll be built in-house at Twitter like the BlackBerry one was, or whether it'll come from a buyout of another company, like in the case of the purchase of Tweetie for the iPhone. If it's the latter, potential candidates could include popular Android clients Twidroid or Swift.

Evan explained that the company had decided to make the move into providing its own Twitter clients because users were having trouble finding them on their own. Essentially, mobile access is too important to Twitter to leave it in the hands of third-party developers. "We found we were under-serving users", he said. "We realized we had to have a core experience on these major platforms just like we do on the Web, otherwise we are failing users".

Elsewhere during the Chirp conference, Twitter also announced that places would be added to its geo-tweets function - stepping a little on the toes of Foursquare and Gowalla, and that the service now has more than 105 million registered users.