http://friendfeed.com/setting..., if you have trouble finding it again I got there by clicking on "Friends" in the top right and then "Find + Invite" :) - Benjamin Golub

And if you use the Gmail address book importer on that same page it will let you send invites out to all of your Google contacts. Hope you find some more people to subscribe to Mom! - Benjamin Golub

Thanks Ben! That worked :) - Marci Golub