Amazonâs new Polish website goes live As online grocery booms in Britain, will new habits die hard? Britainâs multi-billion pound supermarket industry is placing its bets on whether big-spending older shoppers will stick with buying their groceries online when months of lockdown end. Having more than doubled during the COVID-19 pandemic to represent 16% of Britainâs roughly 200bln pound ($281bln) food retail market, the country has one of the worldâs highest take-ups of online grocery. Ocado boss Tim Steiner says itâs here to stay and will carry on growing quickly. Not so fast, say bosses of some established rivals. âA lot of people are talking about the new normal, Iâm absolutely convinced that we are not in this new normal right now, we are in the temporary normal, we are in an extraordinary timeâ, Christian Härtnagel, CEO of Lidl GB, told Reuters.