From the Press Release:

“The App Store revolutionized mobile apps,” said Steve Jobs, Apple’s CEO. “We hope to do the same for PC apps with the Mac App Store by making finding and buying PC apps easy and fun. We can’t wait to get started on January 6.”

This is how iOS is influencing OS X. Not by bringing a touch interface to our desktop monitors, but by bringing greater simplification to our operating systems.

The Mac App Store Opens on January 6