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The very nature of SiteAdvisor and the long periods between site crawls mean that even if the SiteAdvisor tests were 100% accurate a Green rating offers no guarantee of safety. Malicious code and browser exploits often spread fast over large numbers of websites, [ 14 ] meaning a Green rating may not be up to date and may provide a false sense ...
Facebook enables users to control access to individual posts and their profile [122] through privacy settings. [123] The user's name and profile picture (if applicable) are public. Facebook's revenue depends on targeted advertising, which involves analyzing user data to decide which ads to show each user.
These are not merely catchy sayings. Even though some sources may identify a phrase as a catchphrase, this list is for those that meet the definition given in the lead section of the catchphrase article and are notable for their widespread use within the culture. This list is distinct from the list of political catchphrases.
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If and when a "fail-safe" system fails, it remains at least as safe as it was before the failure. [1] [2] Since many types of failure are possible, failure mode and effects analysis is used to examine failure situations and recommend safety design and procedures. [3] Some systems can never be made fail-safe, as continuous availability is needed.
PRISM: a clandestine surveillance programs under which the NSA collects large amounts of user data from companies such as Facebook and Microsoft. Under the PRISM program, which started in 2007, [ 102 ] [ 103 ] NSA gathers Internet communications from foreign targets from nine major U.S. Internet-based communication service providers: Microsoft ...
The typical efficiency of TEGs is around 5–8%, although it can be higher. Older devices used bimetallic junctions and were bulky. More recent devices use highly doped semiconductors made from bismuth telluride (Bi 2 Te 3), lead telluride (PbTe), [10] calcium manganese oxide (Ca 2 Mn 3 O 8), [11] [12] or combinations thereof, [13] depending on application temperature.
The probability that 100 randomly typed keys will consist of the first 99 digits of pi (including the separator key), or any other particular sequence of that length, is much lower: (1/90) 100. If the monkey's allotted length of text is infinite, the chance of typing only the digit of pi is 0, which is just as possible (mathematically probable ...