New and noteworthy for 2/9/09

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KnujOn 2009 Registrar Report: KnujOn released a February 2009 update to its registrar report that focuses on domain name “registrars that have a concentration spam, abuse and illicit activity”. It is important to note that some registrars are much larger than others and while they may register many spam oriented domains in absolute terms, these may only be a very small percentage of their overall holdings.

SlideShare makes PowerPoint social (also sends it to the cloud): The SlideShare Ribbon for PowerPoint 2007 is a plugin that lets PowerPoint users store, access and search for presentations directly from SlideShare. The plugin also provides access to social features from SlideShare including contacts, groups and connections to Twitter and FriendFeed.

The $300 Million Button: A telling story about the importance of design and usability testing when developing web services, particularly ones with ecommerce components. This is an article by well known usability expert Jared Spool about the redesign of a checkout flow for a well known online shopping site. A single change in removing the forced and largely redundant registration resulted in a forty-five percent increase in monthly sales, estimated at nearly three hundred million dollars a year.