Ars Technica reports on malicious extensions on the Chrome web browser, which install advertising-based malware that hijack links and inject ad content. Further speech recognition exploits (source) leave open the opportunity for malicious sites to record sound captured by the user's web browser without permission.
cloud-to-butt is an open-source extension for Firefox, Chrome, and Safari that replaces all instances of "the cloud" with "my butt." Hilarity ensues. (via stellar.io) [more inside]