Vierck's Law : a corollary to Moore's Law.
"software has a half-life, of 18 months".
in other words, half of all the code you write will not be in use, or obsolete within 18 months.
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it took me a long time to piece together adding contours to satellite photos. then i discovered nasa's worldwind viewer... now google has added a viewer that's really works well (leveraging their acquisition of keyhole inc).
it's really easy and the basic viewer is free. one nice touch, it includes building terrain for metro areas (using polygon rendering). more advanced features like GPS integration are targeted for premium versions.

first commercial for a tablet pc hits the airwaves...
yes - i believe... the future is coming.
acer tablet pc user and service manuals...
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