Default privacy settings in popular mobile apps seem like a convenience, allowing you to use a single setting to control the level of privacy – who can see which actions you take – across all of the app’s functions. But default privacy settings are also a potential risk to your privacy. The U.S. app market generated US$44.9 billion in 2023, with smartphone users spending 217 billion hours on their apps. The growing popularity of mobile apps can be attributed to their convenience, ease of use, connectivity and flexibility. For instance, Venmo, a popular peer-to-peer payment app for iPhone and Android…