>Interesting links. I read that some time ago that patents presented a problem because in some cases they were given for things that did'nt really deserved to be patented because of the simplicity of the software invention.
Some of the things over which previous patents were "discovered" long after they became quite popular, IIRC, are hyperlinks, and frames. Another doubtful patent was over the process of buying stuff with just a few clicks, used by Amazon.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)