That's why you shouldn't get too handsy with the produce if you go grocery shopping in France. Yes, in the U.S., we are used to handling and choosing our own fruits and vegetables from the grocery ...

(Credit: Krystina Shveda/ Datawrapper Source: Google Trends) There are other downsides of overly relying on supermarket chains, which have more than a 95% grocery market share in the UK and France.

Groceries and retail accounted for about one-sixth of order income last year, but founder Will Shu said this could reach 50% ...