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  2. History of email spam - Wikipedia

    en.wikipedia.org/wiki/History_of_email_spam

    The history of email spam reaches back to the mid-1990s when commercial use of the internet first became possible [1] [2] - and marketers and publicists began to test what was possible. Very soon email spam was ubiquitous, unavoidable and repetitive. [3] This article details significant events in the history of spam, and the efforts made to ...

  3. Assignment problem - Wikipedia

    en.wikipedia.org/wiki/Assignment_problem

    The assignment problem consists of finding, in a weighted bipartite graph, a matching of a given size, in which the sum of weights of the edges is minimum. If the numbers of agents and tasks are equal, then the problem is called balanced assignment. Otherwise, it is called unbalanced assignment. [1] If the total cost of the assignment for all ...

  4. HTTPS - Wikipedia

    https://en.wikipedia.org/wiki/HTTPS

    e. Hypertext Transfer Protocol Secure ( HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP). It uses encryption for secure communication over a computer network, and is widely used on the Internet. [1] [2] In HTTPS, the communication protocol is encrypted using Transport Layer Security (TLS) or, formerly, Secure Sockets Layer (SSL).

  5. Telegram (software) - Wikipedia

    en.wikipedia.org/wiki/Telegram_(software)

    Telegram Messenger, commonly known as Telegram, is a cloud-based, cross-platform, encrypted instant messaging (IM) service. It was originally launched for iOS on 14 August 2013 and Android in October 2013. It allows users to exchange messages, share media and files, and hold private and group voice or video calls as well as public livestreams.

  6. Email spam - Wikipedia

    en.wikipedia.org/wiki/Email_spam

    Email spam, also referred to as junk email, spam mail, or simply spam, is unsolicited messages sent in bulk by email ( spamming ). The name comes from a Monty Python sketch in which the name of the canned pork product Spam is ubiquitous, unavoidable, and repetitive. [1] Email spam has steadily grown since the early 1990s, and by 2014 was ...

  7. Leukocytes in Urine: 3 Possible Causes - WebMD

    www.webmd.com/a-to-z-guides/leukocytes-urine

    Inflammation. Inflammation in your body triggers the release of leukocytes. That inflammation can come from an injury, infection, or disease. Interstitial nephritis and cystitis are two conditions ...

  8. Microsoft Office - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Office

    Microsoft Word is a word processor included in Microsoft Office and some editions of the now-discontinued Microsoft Works. The first version of Word, released in the autumn of 1983, was for the MS-DOS operating system and introduced the computer mouse to more users.

  9. constant or severe pain in your abdomen. nausea and vomiting. fever and chills. blood in your stool. bleeding from your rectum. Abdominal pain is the most common symptom of diverticulitis. It will ...