Your browsing data is so valuable that even an AV company that's supposed to protect you from software that capture and sells your data, itself captures and sells your data. #privacy
https://www.vice.com/en_us/article/qjdkq7/avast-antivirus-sells-user-browsing-data-investigation
Update: Avast has shut down the subsidiary company that was capturing and selling customer data due to all the backlash. One down, a few thousand to go. #privacy