AddStructure, a startup that's building tools to let customers shop for things online using voice commands, has been acquired by Bazaarvoice, an Austin-based marketing tech company. Chicago-based AddStructure, which launched in 2014, uses machine learning and natural language processing to give brands intelligent digital assistants to help customers find and purchase products. It has quickly caught on with e-commerce companies, and was one of 10 startups selected to the first-ever Target+Techstars retail...