If you are looking at Mark Thompson’s Email Spike product keep in mind these limitations for what email clients can actually view the video in emails: View the Limitations here
it will fallback to GIFs. Well you can do that now using free GIF creation software like this one:
Just screenshot the video playing for a few seconds then link to where you want to take the email reader to.
In my opinion I would pass on this product, as the amount of gain is not worth it. Mark Thompson’s products are usually great, but this one misses the mark.