Pepsi’s "Where’s My Jet?" campaign went from a joke to a lawsuit. Here’s how a playful ad turned into a marketing disaster and key lessons for brands.

The cost per coupon conversion rested at $3, resulting in eight times the ROI. Pepsi leveraged FunMobility’s HTML5 nanosites to host the digital coupons, which could be saved via email ...

but — since the drink sports a Trader Joe's label — you can't use a Pepsi manufacturer coupon to get a discount on the Trader Joe's version. Manufacturer coupons only work on products that ...