Google Friendconnect has now got More Features.
Adsense (ads based on your site and member’s interest),
Newsletter (Send Newsletters about your site to all your site members),
Polls gadget (new) and more.
Checkout how to add all these features to your Friendconnected site.
Gather User’s interesets:
Using this functionality you can embed a Google Spreadsheet form as a gadget and get responses from your site members.
Send a Newsletter
You can include a Subscribe to newsletter button in your site.
And can send a newsletter about the site to all the site members from