Many smart devices including TVs, speakers, air fryers and smartwatches are making “excessive” requests for access to user data, according to a new study. The UK consumer group Which has tested and rated a range of popular smart devices to give them a privacy score based on what data access requests they made. It said its research found that data collection often went well beyond what was necessary for the functionality of a product, which it argued suggests personal data could be being shared with third parties for marketing purposes in some cases. The consumer champion said its study showed …