Some say it won't last, but for now value can still be found for the time it takes to search and sort through the offers that appeal to you. Some give for pleasure, or for the ego satisfaction of seeing their work published. A few are simply anti-commercialism. The most common reason to give free gifts on the Internet is to increase traffic and to create customer goodwill. Contest prizes range everywhere from mousepads to Mazdas.
Some contests even offer cash prizes.
It can take days to wade through the offers and find ones that hold value to you. Be prepared to look at a lot of sites. While you're there, be sure to take a look at the other products and services at the Expo. It's a virtual trade show from the comfort of your own home or office. The site provides links to the more than a dozen ACF programs and services.