MIT Social Media Hub
If you want a snapshot into what all of the different MIT communities/offices/labs/important people/etc are posting, the MIT Social Media Hub is your spot. The Hub shares everything MIT, from the latest research and news to the craziest hacks and campus events.
@MITAdmissions
You can also find @MITAdmissions social media accounts on Instagram and Facebook.
@MITStudents
The MIT Division of Student Life hosts several social media accounts that are run entirely by weekly undergraduate student takeovers. You can follow @MITStudents on Facebook, Twitter, Instagram, Tumblr, and Snapchat.