1. Yahoo buys video creation app Qwiki for about $50 million (AllThingsD)
2. Twitter testing a new translation tool (mediabistro)
3. Encryption works: How to protect your privacy in the age of NSA surveillance (Press Freedom Foundation)
4. TV news searches for a 21st century winning model (Fiscal Times)
5. Esquire sells a new story online for the first time (Nieman Lab)