Is that right? Did this app turn into twitter?
Perhaps all the above - there will be people who don't necessarily have great morals and temperament, but they will attempt to portray themselves in a brighter light, accomplish their purpose whilst capturing the reader's attention all at the same time. B, however, I'm not too sure with that, so it's your choice if you choose to circle A, B, C and D rather than A, C and D.
The bullwhip effect is a distribution channel phenomenon in which demand forecasts result in inefficiencies in the supply chain. (Got this off from Wikipedia)
