Many marketers would be only too happy to forget 2009. Even though digital spending was not exempt from the suffering, testing and new approaches yielded big payoffs, which may be as hard to sustain in 2010 as our already-defunct New Year’s resolutions. As we dive into 2010, there are some key opportunities and risks in the digital landscape that will change the way we do business this year.

via 5 Digital Truisms for Marketers.