He cannily recognised a growing audience for purified and oxygen-enriched air for personal consumption -- a market fuelled by anxiety over airborne toxins that products such as his, in turn, feed.
The teachers' union, cannily from their perspective, adopted a policy of bargaining with smaller boards first, which it outmatched massively in resources.
But offenders are also able to read the community like a book, cannily assessing what needs require fulfilling, in order to make themselves indispensable.
