Since machines are sophisticated enough to understand complex, conversational queries, users are beginning to speak to search engines in the same way they would speak to another human being. Machines don’t just listen to us anymore; they are now capable of engaging and interacting with us, too. Voice search is taking this semantic technology to the next level. Instead of typing a query into Google and choosing from a list of search results, voice search technology allows consumers to use voice commands on their smartphones or personal assistant devices.