I'll be upfront about this. I was doing this back in 2003. My rationale? People would forget to complete signups, or they get interrupted. My goal was to make i

I'll be upfront about this. I was doing this back in 2003. My rationale? People would forget to complete signups, or they get interrupted. My goal was to make it as trouble-free as possible to get back to where they had left off. And it worked really well. Granted, all this was back long before I really had any concept of spam and privacy. It was just an honest "Oh, this could help those users!" Obviously times are different and expectations have changed. I wouldn't think of doing it now.