Combines a postcard with a link referral. View stats with your favorite RSS reader. Native mod_perl handler. (or CGI) protects against fake "Referer" headers and embedded email, url's. shortens URL's. When guests return, they are greeted to their friends message. Pluggable storage modules for high scale web sites, uses DBI, but ultra simple installation for smaller sites using files.
RSS feed for keeping an eye on statistics, customizable with internal templates.
