30 McDonald's restaurants in the US are to be equipped with tablets allowing diners to design their own burgers, with plans to expand to 2,000 of the chain's 14,000 US locations by the end of 2015.
30 McDonald's restaurants in the US are to be equipped with tablets allowing diners to design their own burgers, with plans to expand to 2,000 of the chain's 14,000 US locations by the end of 2015.
