Wow! When I was interviewing the geekalicious Cali Lewis at SXSW I asked her what she was most excited about and she started bouncing up and down and shouting to Neail. Qik! Qik! Bring me Qik. Quick!
fring™ is a mobile internet service & community that enables you to access & interact with your social networks on-the-go, make free calls and live chat with all your fring, Skype®, MSN® Messenger, Google Talk™, ICQ, SIP, Twitter, Yahoo!™ and AIM
Twinkle is a shiny (cough, excuse bad pun) new native Twitter client for the iPhone, that adds location-aware features to your Twittering. It has a very nice and easy to use interface and works very well so far in my testing of it.