Want to streamline your life? There's an app for that. Actually, there are loads. While it's tempting to think that technology has a tendency to clutter up our lives and make things more stressful, it can also be phenomenal at simplifying life. Don't believe us? Here are eight apps for your smartphone that will make day-to-day life just that little more organised, profitable - and even fun. Get ready to meet your new army of personal assistants.