Put good entreprenuerial ideas, or ideas for new businesses/existing businesses that may/may not exist that could be helpful.
-Soft ice cream (No tired hands from scooping it out)
If you don’t have better ideas than that, I am not going to share mine. Give and ye shall receive. That’s how trade works.
A computer that produces good entrepreneurial ideas.
A forum thread that solicits good entreprenurial ideas.
A computer that perfectly sets the interest rate. 
I will send one to you if you promise to keep it secret. It is a project I have on my todo list.
Your secret is safe with me. They couldn’t waterboard it out of me.
Not to mention, I already have more ideas than I know what to do with them.