People hate digital ads, and their impact is increasingly hard to measure and count

Online advertising is often muted, minimised or blocked – a mountain to overcome for the industry

Mauna Kea is the tallest mountain on earth. Mount Everest? Not even close. From base to peak, Hawaii’s Mauna Kea is more than 1,000 metres taller. Okay, most of that is below sea level, but if one subscribes to the commonsense view that the fairest way to measure a mountain’s height is from the bottom to the top rather than just the bit sticking out of the water, then Mauna Kea has a ...