User Activity

We are getting some good activity now. I'm mainly interested in the EOS sub-topic. But when I go there the posts are not in order by the most recent activity. Can you add the feature to sort by Latest Activity so recent posts show at the top?
Canon has a huge line of cameras from point-and-shoot, advanced compacts to dSLR. I suggest the Camera discussion is too broad to be effective and a better option would be to divide this category into more specific categories, please. I like the idea...
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