Shortly after Facebook was sued for allegedly leaking users' names via referrer headers, the company responded by filing court papers arguing that the case should be dismissed because users' weren't harmed by any leakage.

Rosetta Stone has been battling Google in court since 2009 over the search company's practice of allowing trademarks to trigger search ads. The language learning company argues that its trademark is infringed when other companies use the term as a keyword. Although Rosetta Stone lost the case in the U.S. District Court, it has filed an appeal with the 4th Circuit.