The Followers Gadget has been integrated with Google Friend Connect. You can now add all the gadgets available in Google Friend Connect to your blog, One of these is the Event Gadget. It shows information about any event you want to inform blog readers about. The description, time, location, map is included. Viewers can join the event and see who else has joined the event. See picture at left. Other gadgets like Members, Comment Wall and Social Bar gadget can also be added.

From: http://www.template4all.com/forum/topic_167