How do you send video through Gmail?

To video chat with someone on gmail you have to make sure that they have video chat. To do this you need to look @ their icon. If it's a video camera option they can video chat with you. If you click chat and then underneath of where you type click on video and more and click on the arrow that is facing up and click start video chat.

(to get video chat installed sign into gmail and click on settings and click on chat. Scroll down to Voice and Video Chat. Click learn more and it will take you through the process of installing it. It's free).