Google buys ‘smart’ thermostat start-up for $3.2bn

Google has announced it is set to buy a “smart” thermostat start-up company in a deal worth $3.2 billion (£1.9bn). Nest, founded by two former Apple executives, has developed a thermostat (pictured) which it claims can help lower heating and cooling bills by up to 20% by learning user behaviour. It can work out whether […]