What could be more personal to a vendor than that of a real human handwritten letter, complete with fountain pen ink and aesthetically pleasing paper to boot?

Well, it's as personal as it gets. The only issue is that it takes time, a lot of time, to individually handwrite letters that are unique and bespoke to each vendor. 

That is where LetterBot.co.uk comes in, producing handwritten letters to present the "best face"

The video below contains a full guide on setting up your LetterBot account and integrating it into your PSEngine app.