In insurance Big Data could lower rates for optimistic tweeters

By Brenna Hughes Neghaiwi ZURICH (Reuters) - When people take to Twitter to comment on the great evening they enjoyed with good food and wonderful friends, reducing their monthly insurance bill is probably the last thing on their mind. This could lead to future insurance cover based on "sentiment analysis", in which Big Data and artificial intelligence make predictive models ever more accurate. Swiss Re says technological advances will cut the price of insurance protection and help individuals a