And one could easily walk round many building just plugging them in. I mean how many people would remove a glade-plug-in just in case Dorothy from accounts likes the smell? Dorothy might just replenish the scent dispenser every six weeks.
Which would save HR doing it and sending a memo about health and safety and asthma can kill due to these, possible.... Yeah, that is exactly how that would play out in many companies. At least in the UK.
