Ocado hails 'successful' switch to M&S despite cancelled orders

Online retailer says shoppers have reacted positively to new range and booked delivery slotsOcado has trumpeted a “successful switchover” from Waitrose to Marks & Spencer as customers bought more M&S-branded groceries and booked slots for the weeks ahead.The launch of the service at the start of this month was marred by complaints after a surge in demand led to some customers having their orders cancelled, the company said. Related: Supermarket deliveries: how UK services sta