Computer and security Cyber Espionage Eavesdropping Espionage Risk management Security Security - computer and devices Spies Uncategorized Shhh… How to Prevent Someone from Knowing When You've Seen Apps Messages Nov 28, 2014 Vanson Soo 0 Comment Here’s a recent LifeHacker article that may be well received: a manual on how to turn off the “read receipt” feature in some of the most popular apps, including What’s App. And yes, that’s another one up for privacy.