Apple has now launched a worldwide tour of presentations covering the iPhone application development tools and related technologies. The event is free but space is limited.
» iPhone Tech Talk Word Tour

Apple just posted a online guided iPhone 3G tour on their website. The guided tour features all the new functions of the iPhone 3G. MobileMe, GPS, 3G and much more. You can watch it here and even download it to watch again on your iPhone or iPod Touch.