Could you realise how our parents or grandparents studied? They studied and got knowledge only from teachers and parents. Imagine, how things changed now. Of course, we get knowledge from teachers and parents. But on top of that internet helps us much more than old days. Students who passed in first class, must be gained some extra knowledge and surely which is from the internet. Before the library helps the student to gain some extra knowledge and now the whole library is in the student’s pocket as a mobile phone. You can search anything and get the great explanation with the help of mobile phone. So students, if you have a mobile phone get more good stuff from it instead of waste your time in bad stuff. Here is a perfect smartphone for students under $100 bucks.