There is nothing I like more than hearing from people who use my software, especially when the experience is positive. Here’s the start of an email I received this morning (with the personally identifiable information removed):

Hi

this is [name removed] here from INDIA.

I’ve tried your Crossword Maestro solving software demo & felt very “comfortable & lovable”.

I request to let me know two things :
…

It isn’t often that software evokes those kinds of emotions but when it does I’m very glad to hear about it!