You probably know by now that Big Tech companies like Google, Apple and Amazon are chasing your every click. Itâs a great way for them to pinpoint your preferences so they can chuck personalized ads your way. But you may not know just how these companies are tracking you. Thatâs all thanks to cookies â and weâre not talking about the kind youâd find in the bakery. Cookies are small bits of data that track your online activity as you move from site to site. Youâll find cookies on your smartphone, too. They can save your passwords and help you log on more easily, but they can also collect so much data it can feel stifling. Thatâs why we made this helpful guide so you can crumble those cookies once and for all.