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PageNet. PageNet , also known as Paging Network, Inc., was founded in 1981 by entrepreneur George Perrin and ceased in 1999. The company grew to become the largest wireless messaging company in the world, with more than 10 million pagers in service, and $1 billion in revenues, before the paging industry's rapid decline in the late 1990s.
Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]
Context collapse or "the flattening of multiple audiences into a single context " [1] is a term arising out of the study of human interaction on the internet, especially within social media. [2] Context collapse "generally occurs when a surfeit of different audiences occupy the same space, and a piece of information intended for one audience ...
Societal collapse (also known as civilizational collapse or systems collapse) is the fall of a complex human society characterized by the loss of cultural identity and of social complexity as an adaptive system, the downfall of government, and the rise of violence. [1] Possible causes of a societal collapse include natural catastrophe, war ...
State collapse is a sudden dissolution of a sovereign state. It is often used to describe extreme situations in which state institutions dissolve rapidly. When a new regime moves in, often led by the military, civil society typically fails to rally around the central government, and societal actors fend for themselves at the local level.
Modal collapse. In modal logic, modal collapse is the condition in which every true statement is necessarily true, and vice versa; that is to say, there are no contingent truths, or to put it another way, that "everything exists necessarily". [1] [2] In the notation of modal logic, this can be written as . In the context of philosophy, the term ...
Progressive collapse is the process where a primary structural element fails, resulting in the failure of adjoining structural elements, which in turn causes further structural failure. [1] Progressive collapses may be accidental, as the result of design deficiencies, fire, unintentional overload, material failure or natural phenomenon (e.g ...
Syncope, commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. [1] It is caused by a decrease in blood flow to the brain, typically from low blood pressure. [1] There are sometimes symptoms before the loss of consciousness such as ...