Don't charge. In products with network effects, you want as little friction as possible. This is why about.me demolished flavors.me, even though flavors.me ca

Don't charge. In products with network effects, you want as little friction as possible. This is why about.me demolished flavors.me, even though flavors.me came first. Since your product is built around doing things with other people, there's a natural advertising angle, viz., suggesting things for people to do.