We have all heard it – and many of us thought we were safe from telemarketers once we switched from landlines to mobile phones. In the United States, and many countries all over the world, there is a special list called the National Do Not Call Registry (NDNC in India). Citizens can add their number to the list to technically reduce their number of telemarketing calls and sales pitches, however, as stated on the U.S. Do Not Call website:

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