Weblog Database

I keep getting emails from people asking me questions about products that I promote. Apparently, they have all bought the products through my sites, but I can never seem to find any records of them.



I am starting to think that the cookie tracking system is very deficient and that I am not being credited for many sales. It's probably mainly due to users' cookies being disabled.



What measures can we take against this problem? I'm sure that we are all missing out on a lot of money.