b'The internet is full of lies. That maxim has become an operating assumption for any remotely skeptical person interacting anywhere online, from Facebook and Twitter to phishing-plagued inboxes to spammy comment sections to online dating and disinformation-plagued media. Now one group of researchers has suggested the first hint of a solution: an "online polygraph" that uses machine learning to detect deception from text alone.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'