Two different tales of cool technologies having problems in teh wider world. The Segway scooter is going to have trouble being adopted because many cities won’t allow it on the pavement. There are also worries that Americans are quite fat enough without another excuse to stop walking. Meanwhile Java, currently the world’s most popular programming language, got a boost when a judge ruled that the Java Virtual Machine should be included in all Microsoft’s .Net enabled products. But have Microsoft’s efforts to scupper the rival language (including, ingeniously, the creation of their own value added piece of Java code which only worked under Windows) scuppered the upstart’s chances in the long run?