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The SYKO cipher device was a compact British cipher apparatus in use during World War II. It was invented and patented by Morgan O'Brien before the war. O'Brien developed a sophisticated cipher typewriter, which was complex and delicate, but then came up with the relatively simple device adopted by the military that was known the SYKO.
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developers .google .com /android /c2dm /. Android Cloud to Device Messaging (commonly referred to as Cloud to Device Messaging ), or C2DM, is a defunct mobile notification service that was developed by Google and replaced by the Google Cloud Messaging service. It enabled developers to send data from servers to Android applications and Chrome ...
SPOT Gen3 Satellite Messenger. SPOT is a GPS tracking device that uses the Globalstar satellite network [1] to provide text messaging and GPS tracking (depending on the subscription type purchased). [2] [3] It has a coverage area that includes a large portion of the planet, with the exception of extreme northern and southern latitudes and parts ...
In April 2009, Peek launched their second device, the Peek Pronto, which supported Push email ('instant' delivery), Microsoft Exchange, increased support for email attachments (PDFs, DOC, and pictures), and unlimited texting support. TwitterPeek is a mobile device that allows users to send and receive tweets using Twitter. It is the first ...
Email fraud (or email scam) is intentional deception for either personal gain or to damage another individual using email as the vehicle. Almost as soon as email became widely used, it began to be used as a means to de fraud people, just as telephony and paper mail were used by previous generations. Email fraud can take the form of a confidence ...
An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA, formerly known as the Commercial Mobile Alert System (CMAS), and prior to that as the Personal Localized Alerting Network (PLAN)), is an alerting network in the United States designed to disseminate emergency alerts to mobile devices such as cell ...
Wireless telegraphy. A US Army Signal Corps radio operator in 1943 in New Guinea transmitting by radiotelegraphy. Wireless telegraphy or radiotelegraphy is transmission of text messages by radio waves, analogous to electrical telegraphy using cables. [1] [2] Before about 1910, the term wireless telegraphy was also used for other experimental ...