Does contextual advertising ever impress you? Or d...  ...ng ever impress you? Or does it make you nervous? Ads targeted to you (or someone else who uses your computer) w...  .... At least for a normal internet user- contextual ads on my computer make no sense at all, just like...

Retail stores gather a lot of information on each customer. Do you use a discount card, credit card, or email address when you shop? If so, the store is able to keep track of everything you buy, and use that information...