Once your smart designs can talk to you, who else are they talking to? Kashmir Hill and Surya Mattu wanted to find out — so they outfitted Hill’s apartment with 18 different internet-connected designs and improved a special router to track how often they contacted their servers and meet what they were reporting back. The upshots were astounding — and more than a little bit creepy. Learn more about what the data from your smart-alecky machines reveals about your sleep schedule, Tv binges and even your tooth-brushing garbs — and how tech business could use it to target and profile you.( This talk contains matured communication .)

Read more: ted.com.