http://www.roughtype.com/archives/2005/10/ear_waves.php I recently wrote an essay, for Strategy + Business, about disruptive innovations. In addition to the well-known bottom-up model of disruption (documented by Clayton Christensen), I argued that there's a top-down model as well. Bottom-up disruptions initially underperform the existing products in a market (on the purchasing criteria traditionally used by customers), but as their performance improves they move up into the mainstream, displacing the incumbents. Top-down disruptions, in contrast, outperform existing products initially, and... en-us http://meta-write.com/gay/ gay porn gay sex gay porn gay sex ]]>