Popular Science: “As you might well know, websites can track you in various ways. It’s the reason why a single search for furniture can lead to months and months of online ads for chairs, tables, and shelving units. What you might not know is that third parties can track you using the address or URL of the website you’re visiting: it’s those bits of extra seemingly random numbers and characters attached to otherwise simple addresses ending in .com, for example.  But as with other various types of trackers, there are ways of blocking URL-based ones and protecting your privacy online. As always with digital security, it’s important to know what you’re dealing with, and the steps you can take to guard against any snoopers…”