The private, personal character that makes online social networks appealing to people looking to stay in touch with friends and family is also leading data protection advocates from around the globe to criticize the sites.
Armed with some of Europe's most wide-reaching data protection laws, critics in Germany have accused social networks and other online sites of collecting and making commercial use of personal information without members' explicit permission - as required by law.
Google and Facebook are both under investigation in Germany, as well as other countries, for their privacy and data retention practices.
Deutsche Welle looks at the actions being taken against a number of Web sites and how Germans are using the Web and social media.
Israeli Arabs have been adding "second-class citizen" stamps to their profile pictures on Facebook to protest against the approval of a bill. If it is adopted, Israel will be declared a Jewish nation-state.
Good news has been rare when it comes to the Ebola outbreak. Now, there's a glimmer of hope. One vaccine has yielded promising results in humans - even if it has its drawbacks.
Colored in various shades of grey and black, crows and ravens are hard to distinguish. But is there a way to tell the difference? Just listen to their call!
The annual UN climate conference gets underway in Lima, Peru on December 1. It is more important than ever. Negotiators will hammer out the nitty gritty of a new World Climate Agreement to reduce CO2 emissions.