Your purpose is not clearly stated, or I am an idiot for not understanding.

I would use the following:

<h1>conweets</h1>

<h2>Track twitter conversations.<h2>

<p> a short (3 sentences or less) story on how or why to use this service. blah blah ect. If you are interested click the link below to continue: twitter oath here. </p>

BTW how are you planning on monetizing this? Making money and becoming sustainable is my first goal when building new startups.