There's not enough information about what the site is or why I might want to use it before you ask me to give my email address. Maybe a set of screenshots (or

There's not enough information about what the site is or why I might want to use it before you ask me to give my email address. Maybe a set of screenshots (or a screencast) showing what someone might learn if they choose to write about themselves might help people decide whether they want to give you contact information in order to kick the tires.