How Facebook Killed The Web’s Incognito Days

The early days of the Web opened the doors to everyone’s interests. You might have thought you were the only one in the world thinking like you. But after a quick search on, say, AltaVista, you realized that there was an entire forum dedicated to the obsession of (add your [weird] interest). You could do whatever you wanted -- read, watch, and listen -- and nobody could follow what you did.