Over at winmarkets.com a recent post by Nilofer Merchant, a marketing entrepreneur I admire, questions the relevance of Porter's venerable 5 Forces strategic framework in today's Web 2.0 era. Her business focuses on the technology innovators of Silicon Valley – admittedly a different industry than the payments realm we usually cover here – but what happens in Silicon Valley often ripples through the rest of the business world. Take a look at Nilofer's argument and consider how it impacts your business strategy.

New Model for Competitive, Market Power ?? (WinMarkets.com)
Porter's 5 Forces (Wikipedia)