Just say it!
Believe it or not, copy written about technology CAN be easy to read
and understand. Here's the key: Use words people know, and kick
the geek-speak and marketing mumbo-jumbo to the curb (notice I didn't
say, "Laymanize the manuscript").
Of course, the main thing is to know your audience. If you're writing a brochure to promote all the killer iPhone games your company has created -- and you'll be handing it out at GeekCon2013: The Mobile App Design and Development Expo -- feel free to mention objective-c and XCode; talk about your adherence to scrum methodology; or explain how your engineers use plists to make your games more data driven and flexible. Otherwise, stick to basic English.
How many times have you read a business website and come away without understanding what, exactly, it is they do? Cloud computing companies come to mind, but it happens all the time, in every industry imaginable. A lot of this stems from the desire to come across as a smarty pants ... I mean, thought leader. But heavy use of industry jargon (or my pet peeve: saying "utilize" when you can just say "use") isn't smart; it's distracting.
And speaking of jargon, check out the infographic below, which I created to show how much better it is to write in plain English than it is to pepper copy with industry jargon.