How to drop evidences of futuristic technical development

A quote I like, taken from "What If Our World Is Their Heaven? The Final Conversations Of Philip K. Dick" (Gwen Lee, Doris Elaine Sauter, Tim Powers). Also pointed by Tim Powers in the introduction of the book:

"That's another technical advice, you casually have one character say to the other, 'Where did you put the biochips?' 'I put them back in the cupboard where they belong.' That's all you need to say... See it's amazing how easy it is to write if you know how...

Why do I blog this? PKD's was of describing the future is awesome, I really like the way he only drop words and concepts that build a sort-of ambiance of the future.