ABI Research says that by the end of 2008 global WiFi hotspots will grow by 40 percent over 2007. The research firm says that the largest amount of growth will be in Europe. While the U.K. has usually led growth in that region, ABI says there has also been strong growth in France, Germany and Russia. But the business model is changing. The free hotspot model is growing as business operators and retailer see WiFi as a cost of doing business and an operational expense rather than a profit center. Release