Next Billion $ Idea More Likely from Existing Technologies

The bulk of innovation is low-amplitude and takes place over a long period. Companies should focus on refining existing technologies as much as on creation, says this interesting post @ BusinessWeek

So the next billion dollar idea is more likely to come from innovative use of existing technologies rather than from absolutely new technologies...that reminds me of Google, who did not invent search - not by a long shot - but refined something that had existed for half a decade and built a multi-multi-billion $ enterprise