I've heard and read about SPOT. Recently, i've also read about the DeLorme inReach, which seems to have more and better features, and is partnered with Iridium Communications, which reportedly has a better satellite network thant the one that SPOT uses. Yesterday, Iridium issued a news release about its latest development in this area, called "Iridium GO!" Iridium GO! creates a satellite "hotspot" for smart phones. Goes beyond the capabilities of the currently available Delorme inReach. Its a no-brainer that DeLorme will incorporate this into their new models. Sounds interesting, but maybe a bit expensive. This is just an interesting little thing i ran into while perusing yesterday's news, and I thought I'd share it here. I re-read the article (just search for "Iridium GO!" and you will link to it), and it appears that GO! will enable your smart phone itself to be the satellite communications device. So, does this obliviate the need for the SPOT or DeLorme inReach?