A scoop from Ars suggests that developers have found Voice control features in the new 3.0 software. There are Voice Control preferences within International preferences.

There have been found several function calls to Voice Control features. This has been code-named “Jibbler”.

This can be further seen as the new iPod Shuffle features. Also, Voice dialing can be on the list of features to expect. Jibbler is kept secret from third party developers which gives a possibility of showing up this feature in future iPhone hardware releases.

When Apple had given us sneak-peak of upcoming OS 3.0 Beta, we all had ichy-hands to upgrade and test the Beta. But unfortunately we need to register a Dev account with Apple to activate 3.0

But Now you can bypass the uuid registration… » Guide: Bypass the UDID registration for OS 3.0

Web developer Jake Marsh made a nice guide on how to to activate internet tethering on the iPhone 3.0. The guide is only for those who live in US and with an AT&T contract.
» iPhone 3.0: How to enable Internet Tethering

iPhone developer Steve Troughton managed to activate the tethering preferences while playing with the new iPhone OS. He was also able to actually tether his iPhone 3G to his laptop over USB. Based on the preference panel, it appears that you will be able to tether via USB or Bluetooth.
» USB Tethering working with iPhone 3.0

As we announced previously, Apple has presented yesterday his latest iPhone version 3.0 who’s inculding 100 new features. Hit the break to see a short list of the biggest updates of the iPhone 3.0 OS.
» iPhone 3.0 Features