14 Patterns in Human Geography Population density is the measurement of the number of people in a particular area. Imagine all the students in your classroom. Each student has a desk or table to work at and a chair to sit on. Everyone has a comfortable amount of space around him or her to make working or talking easier.
A cellphone widget is a shortcut for a mobile phone application. It usually appears on the phone's home screen and connects the user quickly and efficiently to the app. Keep Learning.
mSpy: A terrifying app for spying on another smartphone or tablet user. Those of you interested in preserving your privacy will want to watch out for the mSpy app. When installed on an Android or iOS device, it can track phone calls, location data and keyboard strokes in the background without your knowledge.