My previous 'Five iOS 5 secrets' post was such a big hit and I received such overwhelming positive feedback from it that I've decided to give you some more iOS 5 secrets.
Note: All of these tips apply to iPhone and iPad, and some will even work on the iPod touch.
#1 Private browsing in Safari
Buying someone a 'secret birthday present' that you don't want anyone to find out about? This might be a situation where private browsing could come in handy!
Your iDevice collects a lot of diagnostic data that you can optionally choose to send to Apple. However, you can also take a look at this data for yourself, and even send it along to an app developer if you're experiencing issues.
Here's how to find it:
Settings > General > About > Diagnostics and Usage