In iOS 7, Spotlight search is accessed by swiping down on the icon grid on any homescreen - see graphic above. This shows the search box and on-screen keyboard, and it works the same whether you're using an iPhone or iPad.
By default it searches for a huge range of things: pretty much anything that has a native app. It even searches for podcasts. You can customise what it searches for by going to Settings > General > Spotlight Search and selecting what you want.
How to correct Siri's pronunciation on iPhone and iPad
We don't want to pick on Siri, but it sometimes makes a right hash of pronouncing names. You can fix this just by saying "Siri that's not how you pronounce that". It will then ask you to say it again to learn the name better.
How to block messages and calls from people you don't like on iPhone
While we're sure you get on with everyone just fine, sometimes it might be necessary to block certain people from calling you. iOS 7 finally allows this. It's easy to activate. All you have to do is goto their entry in the Contacts app and scroll down to the 'Block this contact' option
How to turn-off parallax wallpapers and movement on iPhone and iPad
Getting motion sickness, or just don't like 'parallax' effect in iOS 7? No problem, it can be turned off. It's tucked away in the Accessibility section, so head to Settings > General > Accessibility and find the Reduce Motion option. Done and done.
How to use the LED flash for notifications on iPhone
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