Sure there is proof, beyond a reasonable doubt IMHO:
First read this:
"We do seek a nominal sponsorship of $3000 towards additional benefits.
BENEFITS: 1. Inclusion in the Microsoft Solution Providers 100 in July special edition of CIOReview magazine 2. Print ready high-res PDF and full reprint rights for one full page profile in the print magazine and online magazine about your company, along with CEO picture."