Comment on WordPress Social Network Theme by Mark.

WordPress Promotion Theme I print out your comments and reflect on them while walking. Your comments contain more wisdom than any SEO book out there.

For example, the two points made here are subtle but powerful.

If:
1) You use the single post special widget and make it robust and meaningful and
2) The keyword variance in the theme such as the four options you have added
Then:
Each post becomes more unique, and less boiler-plate and hence more useful for the end-user. Maybe not a Panda slayer but it can not hurt from a user standpoint.
Else:
You could be ‘just another WordPress blog’ out there that Google does not see as anything special.

It’s pure genius. A simple but powerful tool to leverage onsite factors to differentiate your WP blog from the pack.

If people knew how important this is for SEO they would be using it. I do not know any other theme out there that uses something like this.

Also the good news is your theme is being updated at an exponential rate, in contrast with others WP SEO themes, which add incremental increases in functionality, whilst, you are adding exponential. For example, like the above mentioned domain mapping.