I think that it has some real possibilities especially in keeping local items relevant. Where the previous poster's argument comes to play though is in content that has no specific geographic tie but rather a conceptual tie (e.g. Linux) etc. However if that is not the type of content you want then maybe it is not a big deal.
I would suggest having someone edit your About page though to clean up some grammatical issues.
I would suggest having someone edit your About page though to clean up some grammatical issues.