There would seem to be a lot of prior art that could be invoked to challenge these patents. For example, my friend Andrew Green released a Mac app he wrote call

There would seem to be a lot of prior art that could be invoked to challenge these patents. For example, my friend Andrew Green released a Mac app he wrote called "NetPhone" in 1995. This is so long ago that the app had to worry about squeezing the traffic out over dialup to get to the internet. source: http://baby.indstate.edu/CU-SeeMe/devl_archives/feb_95/0299.html http://baby.indstate.edu/CU-SeeMe/devl_archives/feb_95/0299....