10 great Siri tricks that iPhone owners probably don't know
4. Use Siri without tapping the home button
A virtual assistant should be able to sense that you need it without making you click a button, shouldn’t it? Siri will always be there with a click of the home button, but a quick change in Settings will make it even easier to get her attention. From Settings, go into General, Siri, and turn Raise to Speak “on.” From this point forward, raising the phone to your ear will let Siri know that you need help – or just some company.