iOS5 was released at 6pm GMT yesterday (12th October 2011) – if you haven’t already upgraded your iPhone and iPad, then you should.
If you’re having issues because you’re getting “resource not found” when trying to upgrade to iOS5 or something similar-sounding, then fear not – it’s just apple’s servers being under a bit of strain, you can download the offline copy straight from the web site and then within iTunes simply do a backup and then shift-click “Restore” to browse to the offline file (remember to upgrade iTunes first though).
If you’re in charge of a fleet of iPhones I’d always recommend downloading the package first and then using it again and again on all devices to save time and internet bandwidth. You can either download it once in iTunes and then get it from:
C:\Users\smd\AppData\Roaming\Apple Computer\iTunes\iPad Software Updates
C:\Users\smd\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates
(or the equivalent place on your own system), or you can find out the URL from somewhere else such as this helpful article on osXdaily.
So here’s a brief list of the things that I’ve discovered in the last 24 hours which I’m particularly excited about: