Most companies become incremental in their thinking as they get big. They g
et risk averse and hierarchical. But in an era when investors insist on fas
t growth, such companies have to re-learn the tricks they once knew, as ent
repreneurs. Small companies have many of the answers, and some of the best
techniques can be applied within big companies, serving as the DNA transpla
nt that can bring speed and innovation back to a large, sluggish organizati
on.