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ZENER DIODE presentation

on September 23, 2020

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E-Business Theory 03

CASE 2: EC APPLICATION: CRAIGSLIST: THE ULTIMATE ONLINE CLASSIFIED COMMUNITY Questions 1. Identify the business model used by Craigslist. Business model Craigslist is based on a model of P2P (peer-to-peer) or A2P (agency-to-peer) or A2A (agency-to-agency). Think of Airbnb working on a peer-to-peer model similar to that. This means that anyone on the platform can view ads in any of the district, region, state, or country areas. Interactions between customers and the community help to create potential channels that increase the traffic flow to the Craigslist website. This is funneled by "word of mouth" or "through references." It creates new potential revenue streams and an addition to the Craigslist database which can be used for promotional purposes. 2. Visit craigslist.org and identify the social net-work and business network elements. Craigslist's business network elements are–jobs, sales, gigs, and other services. Craigslist's social network eleme...

Stress

What is stress? Stress may be considered as any physical, chemical, or emotional factor that causes bodily or mental unrest and that may be a factor in causing disease. Physical and chemical factors that can cause stress include trauma, infections, toxins, illnesses, and injuries of any sort. Emotional causes of stress and tension are numerous and varied. While many people associate the term stress with psychological stress, scientists and physicians use this term to denote any force that damages the stability and balance of bodily functions. If stress disrupts body balance and function, then is all stress bad? Not necessarily. A mild degree of stress and tension can sometimes be beneficial. For example, feeling mildly stressed when carrying out a project or assignment often compels us to do a good job, focus better, and work energetically. Likewise, exercising can produce a temporary stress on some body functions, but its health benefits are beyond doubt. It is only when stress i...

ornithopter

Q : What is an "ornithopter"? A: An ornithopter is a device that imitates the flapping-wing flight found in nature. The word "ornithopter" (c.1908) combines the ancient Greek words for "bird" and "wing". An ornithopter doesn't need to have feathers, though. What makes it birdlike is the flapping motion! Airplanes have a rotating propeller. Helicopters have a rotary-wing that provides both lift and thrust. Instead of rotation, the ornithopter wing imitates the reciprocating motion of a bird's wing. QHow does an ornithopter fly? A: Many people like to build and fly ornithopters, just because ornithopters are amazing! There are practical benefits as well: flapping wings potentially offer improved efficiency, better maneuverability, and reduced noise compared with the rotary-driven airplanes and helicopters. The resemblance to a real bird can also be useful, e.g., for spying or for keeping birds away from airport runways. Q: Why doesn't t...

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ZENER DIODE presentation

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