1. You can see what other students are doing in your network and public networks around the world.
You should never compare yourself and your work to others, but it gives you an idea about where your peers are and where you should and could be working.
2. Expand the people you are working with.
You can totally score a job or internship with a small brand you've never head of, or maybe a big name company you've been dying to work for.
3. It can lead to amazing jobs in and outside of your field.
Regardless of the position, you're already a hard working student seeking work which is an accomplishment on its own.
4. Connect with other students, family members, friends and professors.
Who knows, maybe someone in your direct network has the perfect job for you.
5. The more you accomplish, the more recognizable your name will become on linkedin.
As you make more connections in the real world, your personal brand becomes more professional and trustworthy by listing the credentials of jobs and internships.
7. Most importantly, you can show the world how awesome you are by having your resume out in the open.
After all, you're awesome and you can achieve anything you want to if you put your mind to it.