In this web cast [@jthake|http://www.twitter.com/jthake] does a quick overview of interacting with SharePoint 2010 Enterprise Wikis and then demonstrate the social aspects of it out of the box and how to extend it with a Note Board Web Part (SocialCommentWebPart).
[Click here to view web cast|http://www.screencast.com/t/YWRiOWNm] [Click here to download it to watch on iPod|http://www.screencast.com/t/NmIxMzc1Zj]
or add the [SharePointDevWiki.com feed|itpc://www.screencast.com/users/jthake/folders/SharePointDevWiki.com%20Webcasts/itunes]feed|http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=343295294] to iTunes
* [Microsoft.SharePoint.Portal.WebControls.SocialCommentWebPart on MSDN|http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.portal.webcontrols.socialcommentwebpart.socialcommentwebpart%28office.14%29.aspx]
