Xerox claims that its printers, which can crank out 80 pages a minute, can target specific areas of a page for color printing using a material that is cheaper than what is used in standard laser printers.

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They let you target new fans for your business page based on similar criteria.

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It lets you know that your friend Josh just posted a snack tip on the Nutella page, or that your cousin Cathy just went shopping at Target.

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