L’Oréal, Lidl and John Lewis: 5 things that mattered this week

L’Oréal unveils a smart hairbrush at CESThis week, L’Oréal targeted the luxury market and turned to the Internet of Things with its latest innovation, a smart hairbrush that it says will allow its Kérastase brand to connect directly with consumers through more personalised marketing.
The unique technology, which was launched at the Consumer Electronics Show 2017 in Las Vegas, uses algorithms to score the quality of the user’s hair and to monitor the effects