If you're on a cheap mobile phone plan, there's a good chance your monthly data allowance is woefully inadequate. This can lead to huge bills at the end of the month if you don't keep close tabs on your usage.
Instead of switching off your mobile data completely (or downgrading to a basic phone), try following these simple data-stretching tips. With plenty of discipline and a bit of know-how you can make even the flimsiest of data plans go the distance.
Like most people, my knowledge of maths is limited to the skills I need to function in society. (I blame crappy high school teachers for that.) However, the diversity and implications of maths theory is truly fascinating if you're willing to give it a chance. This animated map breaks down the basics.