One easy way is to turn off tracking your Off-Facebook activity. Here’s how: 1. Log into Facebook. 2. Go to the Settings menu. 3. Select Your Facebook Information. 4. Choose Off-Facebook Activity. 5. Select Manage Off-Facebook Activity. 6. Clear your history. 7. Select Manage Future Activity and toggle the option off. This isn’t a complete fix, but it can prevent targeted advertisements better. You won’t be searching for shoes on Chrome and then suddenly see corresponding advertisements on your timeline.