In the age of the internet, we need to accept that we don't really have any privacy. Web sites know what we like, and which pages we visit. They sell that information to advertisers, so they can display eerily relevant adverts that make it clear they've been watching our every move.
Intelligence agencies like MI5 and the CIA probably track all of our movements too, and can find out where someone was last Tuesday. Probably.
Actually, the location tracking thing is a reality. A worrying one. And one that might just surprise you.
Do you have an Android phone? Do you have a Google account (ie, do you use sites such as gmail or youtube?). If the answer to both of those questions is yes, and if you haven't actively turned off location tracking, Google knows where you've been because your phone keeps sending its location back to Google's servers. And if you want to see all that information, nicely plotted on a map (a Google map, obviously), you can.
Fire up your web browser and head to https://maps.google.co.uk/locationhistory for something which might surprise you. See all those little red dots on the map? That's where you've been recently. And while Google promises that the data is viewable only by you, they clearly overlook the fact that it's also available to anyone who knows your Gmail login details.
Take a look at your own location history, and prepare to be amazed at how much information the internet clearly knows about you.
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