With Nimbus Screenshot installed in Chrome you will see its icon appear in the composition window whenever you're composing a new message or replying to a message. Simply click on the Nimbus icon and you can start recording a screencast of your browser tab, a specific window, or your entire desktop. When your recording is finished it will be automatically inserted into the body of your message.
Watch this short video to see how you can record a screencast in Gmail by using Nimbus Screenshot.
Applications for Education
Nimbus Screenshot in Gmail provides an easy way to reply to requests for tech help. Creating a quick screencast video to answer a student's or a colleague's question about how to do something on his or her computer can be a lot more efficient than trying to write step-by-step directions.