Your exam status on Facebook will let others know how you are doing, and what big exams you have ahead of you as well as those that you have already taken. Since your exams will determine whether you pass or fail these are important to your future, and those who care about you will want to be kept in the loop.
In exams, we look up for inspiration, down for desperation, left and right for information.
Student who changes tha course of history is now probably taking exam.
80% of the final exam will be based on the one lecture you missed and the one book you didn't read.
If you are given an open-book exam, you will forget your book.
The more studying you did for the exam, the less sure you are as to which answer they want.
Every instructor assumes that you have nothing else to do except study for that instructor's course.