Hackers can inject tiny amounts of latency into networks used at Stock Markets which can result in delaying transactions and change the course of trading in the markets. This way they can control the variations in the stock markets as they wish and earn profits in millions of dollars in a few seconds.

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The Friends section in your Facebook Profile page randomly lists profiles of any six friends by default from your friend list on Facebook. This listing of six friends changes everytime you reload or someone else reloads your profile page. The Facebook profile page has a nice little setting that lets you select who all should always…

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