As we know
that backlink is a weapon to defeat the enemy here I will give you an
interesting illustration, for an instance, as we know that a country attack
another to dominate, in past the military power, bullets, tanks are calculated
to be a strong but with the changing of time, nuclear, rocket, missile &
etc. these make strong a country and which would have these no one will think
to attack them, so backlinks in the previous time like in quantity but day
after day it has improvised and it has been converted into quality...
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