Mitchell says that DoubleClick has always promised ad networks that their data would not be shared or used to work with advertisers and publishers directly.

FORBES: Google's TroubleClick

An eBay-style bidding system means prime ad spots always go for the lowest price, minimizing ad spend.

FORBES: Selling Out Or Growing Up? Why Paid Social Media Is Set To Surge

The other reason the year of the mobile ad always seems to get pushed out to next year?

FORBES: Google: Here's How Well Mobile Ads Can Work

Ad agencies have always lifted up every inch of the kimono, providing multiple examples of spec work.

FORBES: When To Give It All Away To Get The Client

These sit just above a small Special Offers banner ad -- always be selling, Amazon, coffee is for closers.

ENGADGET: Amazon Kindle Paperwhite review

My biggest concern as the AD is that I am always trying to protect the interests and reputation of the university and that's what makes this one so difficult.

NPR: Reaction To Rice Video Has Rutgers Reconsidering

Courting controversy became something of an ad strategy in the 1980s, and Shahid has always been in the vanguard.

FORBES: Anticlimax

"I know I've made mistakes and disappointed some people, but I want you to know that I've always tried to do what's best for Illinois, " she said in the ad.

CNN: Her high negatives make re-election a struggle

Politicians always strive for the big sound bite, the clever phrase that the media grabs and repeats ad infinitum, gathering momentum and mind share.

FORBES: Romney vs. Perry: Round Two

BlackBerry is taking scorn for its capricious ad depicting several fantastic scenarios created by, or solved by (it's not always clear what the heck is going on during the montage), the upcoming Z10 smartphone.

ENGADGET: Editorial: BlackBerry slumps into history of Super Bowl tech ads