Dumped shopping trolleys have long been a problem for supermarkets and a hazard when trying to navigate canals, but now they are clogging up cyberspace and proving a major headache for online retailers too, according to Canadian researchers. Shoppers are confused by the virtual trolleys and are abandoning them in the aisles of internet sales sites. A survey revealed that 65% of online shopping trips failed to reach the checkout stage. Customers are frustrated if there are too many questions involved in the ordering process. Now there's a problem not usually associated with bricks and mortar. {{COUNTERPOINT }}