Send a video along with the link
I was sending a side project out to some friends for comment. Most of these people are busy professionals. They don't have time to figure something out - it's my job to help them to provide me value:
Random note re. Redata feedback
Most people that respond to give me feedback are not even logging into the website. They just watch my video and respond to it. Several people have responded to my request for feedback with detailed, helpful answers, and none of them has logged in!
The lesson is this: Record a video! Send the video first, the login second.