Police on School and Walnut Street in Watertown, Massachusetts. Earlier,...

Police on School and Walnut Street in Watertown, Massachusetts. Earlier, a Massachusetts Institute of Technology campus police officer was shot and killed at the school's campus in Cambridge. (April 19, 2013) Credit: Getty Images

The Boston Marathon bombings shook the nation. The media reports -- man hunt updates, Amtrak service suspended, family interviews, how many suspects, link to Al Queda, where is Chechnya— are overwhelming. What's important, what's not, what does this all mean?

I'm too young to remember how I felt on 9/11 so I have no frame of reference for how to analyze all the implications of the last 24 hours. Here’s how some people are reacting on social media. It might help you to make sense of it all.

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