[thaumaturgy]

Some URLs will be for internal corporate networks, things that should be protected by VPN but aren't, or publicly-accessible projects with poor security.

It would be really interesting to crawl through this data and filter out all the boring usual stuff, and see what else shakes out.

It's also somewhat helpful for spear-phishing or other social engineering. If you know which services a particular person is using, it's easier to fool them into giving up access to one or more of them.