Currently, if I search Google for "writing blog post titles SEO", this specific post is on the first page. I think this proves social media links matter a lot.
I once wrote a post about Apple having more cash than Slovenia's GDP. Without much optimization, no strong backlinks, but with a lot of social virality - the post was on the first page for Google "Apple Slovenia" for at least a year.
I obviously can't take responsibility for every developer in the world, but most of them I know think in a similar fashion that me. :)
I think you need to consider your advantages and the fact that you are already ahead with your MVP. There is no need to disclose everything. Besides, even if your MVP is working as it is supposed to, there are miles till you actually make in in the market. Been there, done that.
Think about this: if the person has the skills / connections / opportunity to make execute this idea better than you, you should consider him / her a partner in the project.
Please take a look at an older Siri video, which shows its capabilities of understanding. Perhaps it will help you understand this goes beyond voice control and asking simple questions such as "Where is" or "How much is". http://mashable.com/2011/10/03/iphone-5-assistant/