SteemOverflow: does a Steem-powered Q&A site make sense?

When the Steem Teem introduced Subjective Proof-of-Work it was a brilliant paradigm shift for the world of cryptocurrency. They had created a way of distributing tokens that the average non-technical internet user could participate in, thus introducing Steem more widely more quickly than any cryptocurrency before it.

Unlike most other altcoins, this Steem Dreem Teem :) also 'closed the loop', by giving steemholders a place to invest their steem - into raising their clout and influence on Steemit. Another brilliant stroke that other crypto projects may copy in the future.

Eventually though, Steem is going to have to break out of this meta-ecosystem. There need to be other places to earn and spend Steem. Some efforts have already been made in this regard (Steemmarket), and this is why today I am introducing steemoverflow.com

SteemOverflow proposes to be a Q&A site where questioners can offer bounties denominated in Steem to incentivize responders to provide timely, exhaustive replies to their queries.

Question and answer sites have a well-proven utility as demonstrated by the popularity of Quora, Stackexchange, Stackoverflow and Yahoo! Answers. This sites appeal to a broad segment of the population because they can bring together people with all kinds of interests. There is seemingly no limit to the types of questions people will ask, and more surprisingly the efforts others will go to to answer those questions, as demonstrated by the thousands of niche-oriented discussion forums online. Anyone who has repaired an old car or undertaken some maintenance job around the house can testify to the utility of these sites. Currently though there are no sites (that I know of) that have been successful at allowing users to place and earn micro-bounties for asking and answering questions.

With steemoverflow.com I've created a basic Q&A site using open source software as a jumping-off point for this discussion. It has all the common functionality needed to host a regular Q&A site, but none of the Steem integration. I think the Steem integration should:
-allow users to post bounties denominated in Steem from any fraction up to a maximum set by the site admin
-allow the site admin to take a percentage off the transaction
-hold bounties in escrow until the questioner picks the preferred answer
-place an admin-configured time limit after which the questioner must pick an answer if at least one has been provided, or forfeit the bounty
-handle all transactions off-site. By that I mean the Q&A site should neither hold nor collect the bounties (there's an API for that, isn't there?).
-be opensource and easily added to any Question2Answer (the platform on which steemoverflow is running) site so that non-technical users can create their own niche Q&A site and expand the Steem universe to millions of people who have never heard of Steem before.

Unfortunately I don't have the skills to complete the integration. If the community thinks this is a good idea (please provide feedback in the comments below and resteem) and if someone capable steps forward, I would be happy to work with that person and maybe even provide some funding. Or if you simply want to take this idea and run with it on your own I'm fine with that too.