What's the curse of knowledge?
It's using jargon instead of language that a client understands.
Eg a sales pitch to a band: "I'm going to market you"
The problem with that is it has connotations of selling out being sleazy.
It would be much better to say: "I can get you more paid gigs"
It's an easy trap to fall into when you are a web developer.
Here at Onsitenow we try and speak in plain English, and if you don't understand anything we say, please, please let us know.