Comment on this news article
Hands-on with OS X Mavericks: Power, apps, and other details - Macworld (blog)
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNFiC0i-VqXDIiHuj4nSF-T56zfokg&url=http://www.macworld.com/article/2046026/hands-on-with-os-x-mavericks-power-apps-and-other-details.html