Twitter is an online news and social networking service. Its users post and interact with messages, "tweets," up to 140 characters in length.
Twitter Inc. is based in San Francisco, California, United States. It was created in 2006 and now has well over 300 million monthly active users. DW has various twitter accounts such as @DWnews Here you can find an automatic compilation of all DW content referring to Twitter.
For computer scientist Hany Farid, developing image analysis tools that can stop illegal content online is not enough. He says we all need to take responsibility, not least the companies that lobby and lie hard.
Controversy surrounds Saudi Twitter ads depicting Moroccan women for sale as domestic servants in the oil-rich kingdom. The case has highlighted the abuse of foreign workers in Saudi Arabia, but will either nation react?
Twitter has identified over 1,000 more accounts tied to the Internet Research Agency, widely considered to be a Kremlin-linked "troll farm." Twitter said it will notify some 700,000 users who were exposed to fake news.
Hardliners demanded the block after Telegram refused to shut down channels allegedly used by anti-government protesters. President Hassan Rouhani reportedly fought for the government to reinstate access to the service.