The report cited in this article originally misstated the name of one of the Web sites studied. The correct Web site is RachaelRayMag.com. Read the updated story here.
An earlier version of this blog inaccurately described Zimbra and Rivals.com. Zimbra is an e-mail company and Rivals.com is a college and high school sports site.
Click here for an updated version.
This story incorrectly stated the PARC's association with the development of the mouse and the graphical user interface. Both were invented at Stanford Research Institute.
Click here for updated story.
An earlier version of this blog incorrectly stated some of Mixx's content partnerships.
Read the updated story here.