Chris Morran writes:
Because we can’t go anywhere online without some social network tracking our data and using it to cash in on targeted advertising, LinkedIn has created its own online ad network that will allow advertisers to follow you around the web based on the information that LinkedIn knows about you.
[…]
How do you opt out? Good question, as LinkedIn’s privacy controls are a bit convoluted.
Log in to LinkedIn. Go to the top-right of the page and select “Privacy & Settings” from the account settings drop-down box. Then go down to the bottom of that page and click on the “Account” tab, then select “Manage Advertising Preferences.”
Read more on The Consumerist.