David Meerman Scott in a video clip, along with text summary of what he says, talking about hyper-local online marketing. Recorded at HubSpot, who always provide great insights into local search and other online marketing.
http://blog.hubspot.com/blog/tabid/6307/bid/11539/How-to-Get-Found-Online-As-a-Local-Business-Marketing-Cast.aspx?source=Blog_Email_%5BHow+to+Get+Found+Onl%5D