This is a US-only company. This is the e-mail I got.
Do you know of households that would like to join the PineCone Research Panel? If so, please FORWARD A COPY of this email to each household you would like to refer so that they may click on the registration link shown below. That household should complete the registration form themselves and submit it. REMEMBER THAT ONLY ONE PERSON PER HOUSEHOLD MAY REGISTER. Multiple registrations of the same Household will void all registrations.
Here is the link to the registration:
http://www.pineconeresearch.com/signup/RR570DS1.asp As a member in good standing, you've already seen the benefits of being part of PineCone Research. So please, share the benefits of membership with a friend. Don't forget, please don't tell them about any of the products that you have seen in our questionnaires or tried in your home. Remember, it's important that your PineCone Research survey and product testing experiences remain confidential.