Great wideranging riff on analytics and nonprofit evaluation of methods: how do we know that blogging is good for our oragnization? -> how do we increase our traffic?
Search algorithms & popularity factors: link, social, click, blog, industry. Since modern search engines are concerned with popularity and not direct relevancy, & big firms up the price of text link buying beyond affordability...
There's clear demand from searchers who increasingly expect user reviews as part of their local search experience. Social and local search are on a clear path towards merging.