Amazon’s Alexa virtual assistant can become more “proactive” and expand to be useful in “more places in your life” in years to come, the tech giant’s devices boss says. Dave Limp, the senior vice president of devices and services at Amazon and therefore the man in charge of Alexa, said a key target for Amazon is to free up people’s time by having the smart assistant take on more “mundane tasks”. First launched in the UK in 2016 built into Amazon’s Echo smart speakers, Alexa has grown to become compatible with a wide range of other connected devices around the home, including televisions and ki…