My website provides a lot of educational material on accounting (for free) and attracts a fair amount of visitors. There is also a subscription which gives customers a more robust e-learning functionality, additional content, etc. The website currently has a form to obtain a user's email (only) in return for downlowdable study notes.
I am thinking about going into lead generation on the website. I think (need to validate this) that colleges may be interested in leads from customers who are looking for an accredited accounting degree (which my website does not provide).
What information do you think I should collect from site visitors: name, area of interest, phone, etc.?
How would I go about channeling such leads to interested buyers (e.g., direct contacts to colleges)?
Where can I read more about all legal aspects of obtaining user information and selling it to colleges / third parties?