Chris Pendleton, Virtual Earth Technology Evangelist posts in his blog --

"Why is this significant? Oh, I don't know....maybe because they are one of if not the biggest integrator of MapQuest technology into customer applications....maybe because they've been seen as thought leaders in the industry and have a great pulse on what they need to do to best serve their customers....maybe MapQuest has been slow to innovate when compared to Microsoft (and Google)....maybe MapQuest is losing customers every day and InfoNow doesn't want to be victim to losing their customer base because the platform they're pushing is losing the battle."

Read more at -- InfoNow parts ways with MapQuest for Microsoft