Bootleggers

Google and 3M leverage the creative use of a portion of the workforce's time to dream up new products or improve upon existing ones. ...

... "3M's bootlegging rule allows research engineers to spend up to 15% of their time on projects of their choice. " ...

Via Computerworld: The 20% solution

Too Much Methodology for Research Projects?

3M depends on new product development as its engine for growth and eases back on the throttle with Six Sigma methods for research processes. It may have over-emphasized disciplined methods in an area where structure can hinder creativity. ...

... "Under Six Sigma, the free-wheeling nature of brainstorming and the serendipitous side of discovery is stifled. Proponents contend such methodologies' rules keep researchers on track and accountable for producing. " ...

Via Design News: 3M R&D