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Some of the more famous keynote speeches in the United States are those made at the party conventions during Democratic and Republican presidential campaigns. Keynote speakers at these events have often gained nationwide fame (or notoriety); for example, Barack Obama at the 2004 Democratic National Convention, and have occasionally influenced the course of the election.
These key messages were propagated through a range of discursive activity (including press conferences and media interviews, authorized leaks, real–time reporting, official investigations and public inquiries) and were periodically bolstered by selective public release of once–secret documents. The consistency of key messages over time ...
Stating the key judgment and significance up front sets up the argument, ensures the message is clear, and highlights why the reader should care about the document. In order to create a reader-friendly prose, writers structure their paragraphs using BLUF format to better aid the reader's ability to recall the paragraph's main idea or content.
Public-key cryptography uses a two-key system, consisting of the public and the private keys, where messages are encrypted with one key and decrypted with another. It depends on the selected cryptographic algorithm which key—public or private—is used for encrypting messages, and which for decrypting.
The encrypting procedure is varied depending on the key, which changes the detailed operation of the algorithm. A key must be selected before using a cipher to encrypt a message. Without knowledge of the key, it should be extremely difficult, if not impossible, to decrypt the resulting ciphertext into readable plaintext.
End-to-end encryption ensures that data is transferred securely between endpoints. But, rather than try to break the encryption, an eavesdropper may impersonate a message recipient (during key exchange or by substituting their public key for the recipient's), so that messages are encrypted with a key known to the attacker. After decrypting the ...
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Gatekeeping is a process by which information is filtered to the public by the media. According to Pamela Shoemaker and Tim Vos, gatekeeping is the "process of culling and crafting countless bits of information into the limited number of messages that reach people every day, and it is the center of the media's role in modern public life ...