South Africa, Oct. 28 -- The switch, on 16 September, moved more than 4.3 million reviews, more than 3 million users and more than 106,000 businesses to the new platform.

For consumers, every industry page now shows a short AI summary of what customers in that sector experience, and which company scores best on each service theme. In car insurance, for example, a consumer can see which insurer customers rate highest for claims handling and how the rest of the industry compares. Business profiles show how quickly a company replies to complaints and how many of its negative reviews it answers.

For businesses, the new business portal shows where they're doing well, where customers are being let down and how they compare with others in thei...