Short but interesting take on invention and creativity:
Not a new idea, certainly, since David Gelernter discussed precisely this idea in his Muse and the Machine in 1994
Not Invented Here
Ideas build on each other
There is no such thing as a completely new idea. Every step we make is based on the combination of different ideas that create something new.
Combination drives innovation
Everywhere you look progress comes from mixes and mash-ups
The way to create something new is to mix two old ideas.
Some related posts on the subject: