I might be interested to try it since I use 37signals Highrise. But I don't understand what it does. Can you please elaborate? I guess this is lesson for my sm

I might be interested to try it since I use 37signals Highrise. But I don't understand what it does. Can you please elaborate? I guess this is lesson for my small SaaS: the landing page should explain uses cases and how it helps - not really what product does.