Today we’re featuring an excerpt from Mining Social Media: Finding Stories in Internet Data by Lam Thuy Vo, which is being released this week.

There’s a lot of bad data floating around—bad as in abusive or part of a criminal enterprise—and we should archive it, structure it and make it accessible to the public.

The things you learn from staring at social media data for a year.

Marking our five-year anniversary with a community roundtable on what’s changed since we launched.

For a recent story about how Washington Post editor Doris Truong became the center of a partisan online flame war, we wanted to illustrate what happens when a person becomes part of viral false story and subject to online trolling.

We wanted to get a better idea of where President-elect Donald Trump gets his information. So we analyzed everything he has tweeted since he launched his campaign to take a look at the links he has shared and the news sources they came from. But first, we had to get the tweets.