or going into airplane mode, though if you're in a jam it can be fun to imagine you are on a plane and the flight attendant is winking at you for being so data-responsible. Between making simple changes in your settings and downloading a few life-saving (and free!) apps, you can reduce the amount of data you use, and save yourself (or your parents) a lot of money at the end of the month. https://www.thrillist.com/tech/10-ways-to-reduce-phone-data-usage-for-iphone-and-android/tech