Check out this page to get involved with the Interest Dashboard project: https://wiki.mozilla.org/Content_Services/Interest_Dashboard/Get_Involved
Add-on Page: https://addons.mozilla.org/firefox/addon/firefox-interest-dashboard/
File bugs at https://bugzilla.mozilla.org/enter_bug.cgi?product=Content%20Services&component=Interest%20Dashboard
Build with Add-on SDK