Did you know that you can now activate Siri by simply saying “Hey Siri” while your iPhone is plugged in? To enable this feature, just go into Settings, General, Siri and ensure “Allow Hey Siri” is toggled on. The feature was first introduced in iOS 8 last fall but has been improved through each update, and with recent versions you can now even simply state your whole request without pausing after the opening line – for example,…