Absolute RIPOFF - Everyone makes mistakes and this one cost me $4500. --- usdatacorporation.com cannot be trusted. They claim to have sent out 400, 000 emails for our company and we received not one call, bounce back, complaint, email log in to our site. Clearly the email was never sent. The run around is that they sent the emails and they show us a report showing a couple thousand clicks... nothing to show who clicked etc. We had a dedicated phone line and not a single call came through. They request payment by check and now we know why... read full review »