I found them very effective. But I don&#x27;t ask people to pay, I ask for feedback. If the software is good, they&#x27;ll want to use it anyway!<p>People are willing to help if you are equally open about what the software can and cannot do. I implemented several features straight out of what people said they wanted through email, and the product was noticeably better for it.<p>I&#x27;ve also had people not respond at all or react strangely.