Having a GoTo Interest rating Integrator - to score audience based on their webinar interest

We have been using GoTo Webinars for quite some time in our instance. I think it would be a good idea to have the option to integrate user interest ratings to be able to score our webinar audience based on GoTo insights. This would enable better management and customization of campaigns in Marketo based on not just the Attended and No Show but also on how well the people who attended interacted in the webinars.