That one doesn’t sound as if it came out of the IBM Corp corporate jokes database, public speaking executives for the use of (yes, there really is one, unless it has been closed down in all the cost-cutting): according to the San Jose Mercury, Jim Cannavino, IBM’s executive in charge of corporate strategy, told a Scottsdale conference last week that he has worked out why Bill Gates and cellular telephone magnate Craig McCaw are planning to launch a fleet of 800 communications satellites into low-earth orbit – It’ll solve the problem of the hole in the ozone layer because not enough light will get through any more to hurt us.