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If you save money buying off-brand ink cartridges and toner, this HP ink coupon for 20% off may convince you to pay more for HP ink. Expires Oct. 31, 2010. To get the coupon, either share a horror ...
Coupons can be used to research the price sensitivity of different groups of buyers (by sending out coupons with different dollar values to different groups). Time, location and sizes (e.g. five pound vs. 20 pound bag) [12] affect prices; coupons are part of the marketing mix. [13] So is knowing about the customer. [14] [12]
For free user, Google was able to show up to 20% of a copyrighted book via the snippet mode. Google could show ads on these pages and split the ad revenue with authors and publishers. A user could purchase access to a book, treated as an eBook, for a one-time cost. Institutions could acquire full access to all books for a subscription-based fee.