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Threema is a proprietary encrypted instant messaging application for iOS, Android and Windows Phone.〔Encrypted Messaging On Your Smartphone http://nullmag.com/encrypted-messaging-smartphone/#〕〔Privacy gain traction with secure messaging apps http://www.electronics-eetimes.com/en/privacy-gains-traction-with-secure-messaging-apps.html?cmp_id=7&news_id=222922448&vID=13&page=1〕 In addition to text messaging, users can send multimedia, locations, voice messages and files. The name Threema is an acronym for EEEMA and stands for end-to-end encrypting Messaging Application.〔Threema FAQ Why is it called Threema? https://threema.ch/en/faq/name_origin〕 Threema is developed by the Swiss company Threema GmbH. The servers are located in Switzerland and the development is based in the Zürich metropolitan area. As of June 2015, Threema had 3.5 million users, most of them from German-speaking countries. ==History== Threema was founded in December 2012 by Manuel Kasper. The company was initially called Kasper Systems GmbH. Martin Blatter and Silvan Engeler were later recruited to develop an Android application that was released in early 2013. In Summer 2013, the Snowden leaks helped create an interest in Threema, boosting the user numbers to the hundreds of thousands.〔 When Facebook took over Whatsapp in February 2014, Threema got 200.000 new users, doubling its userbase in 24 hours.〔„Bye Bye, WhatsApp: Germans Switch To Threema For Privacy Reasons“ http://techcrunch.com/2014/02/21/bye-bye-whatsapp-germans-switch-to-threema-for-privacy-reasons/〕 Around 80% percent of those new users came from Germany. By March 2014 Threema had 1,2 million users.〔 In Spring 2014, operations have been transferred to the newly created Threema GmbH.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Threema」の詳細全文を読む スポンサード リンク
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