I'm really leery of the link provided in the article. To get there yourself, go to http://www.google.com/ads/preferences
Below you can review the interests and inferred demographics that Google has associated with your cookie. You can remove or edit these at any time.
Arts & Entertainment - Music & Audio - World Music - East Asian Music [NOPE]
Computers & Electronics - Computer Hardware - Computer Peripherals [YUP]
Computers & Electronics - Consumer Electronics - Audio Equipment - Headphones [YUP]
Computers & Electronics - Consumer Electronics - TV & Video Equipment - Televisions [NOPE]
Computers & Electronics - Software - Operating Systems - Linux & Unix [YUP]
Reference - General Reference - Time & Calendars [NOPE]
We infer your age and gender based on the websites you've visited. You can remove or edit these at any time.
Age: 25-34 [YUP]
Gender: Male [YUP]
I don't browse while logged into my account, so I'm surprised that it knows that much about me.