ooVoo - web conferencing

About ooVoo: "All you need is broadband internet access and a computer with a webcam and microphone (a headset works great if you have one). Invite friends via email or video message right from ooVoo. If your friends are already on ooVoo, you will find them easily. You can also video chat with friends who haven’t installed ooVoo – they’ll join your video call on a Web browser! Video chat with up to six family members or friends at once. 2-way video chat is always free! Try all premium features free for 30-days, no credit card required!"