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IsCleanAir targets 2021 revenue to double on Covid-led health security push
IsCleanAir’s water-based air-purifying IoT system reduces air contaminants by more than 90%, and uses 7–10 times less electricity than conventional filter-based systems
Event ticketing veterans create Tracer to fight touts, improve market transparency and fairness
Tracer is the first to combine dynamic QR codes and blockchain to challenge ticketing's $12bn secondary sales market
