Once your smart devices 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 devices and built a special router to track how often they contacted their servers and see what they were reporting back. The results were surprising -- and more than a little bit creepy. Learn more about what the data from your smart devices reveals about your sleep schedule, TV binges and even your tooth-brushing habits -- and how tech companies could use it to target and profile you. (This talk contains mature language.)

Kashmir Hill and Surya Mattu: What your smart devices know (and share) about you

What your smart devices know (and share) about you

Artist, investigative journalist, engineer

Even in a tech-savvy household, the allure of smart devices reveals a troubling trade-off: convenience at the cost of privacy.

Your smart bed's morning critique on your sleep quality is a stark reminder of the intimate data these devices collect and share.

A toothbrush with a password? The absurdity highlights the invasive reach of 'smart' technology into our most personal spaces.