Twitter (NYSE: TWTR)
Even 2,500 employers have confirmed that working for this company gives them satisfaction and constant improvement. Since they claim that the company is one of the best to work for, leaving behind many other social networks and programming companies, we are sure that drug testing is one of the things the company does. However, it is not wrong to say that not only that have they entirely forbidden giving out drug tests, they also do not say why.
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