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Introduce a new mobile phone service that would allow   Editor’s note:
                       users to ‘ping’ each other and receive information as toIf mobile phones
                       the whereabouts, present company, or mood of their      continue to become
                       friends when their phones are switched off, without     smaller and more
                       actually disturbing them. Users would input the         advanced at an equal
                       information they wished to provide in the auto response rate we may well have
                                                                               virtual telepathy
407texts: ‘awake’ or ‘asleep’, ‘bored and lonely’, ‘kidnapped                  before this book hits a
                                                                               second edition.

but unharmed’ and so on.

Dan Friedman
16 December 2002

                       Place a specially constructed rubber balloon in the hull
                       of oil tankers to be filled with crude oil, and use the
                       normal hull for ballast water. The ballast seawater would
                       not create pollution when dumped into the sea and,
                       should an accident occur, the rubber balloon would hold
                       the crude oil and prevent an oil spill.

408DrHamadAlsaad
                                17 December 2002
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