About risk of blind traffic pumping:
Similarly to those of SEO, social startups often use growth techniques that are considered to be “unethical”. Notices are sent to all possible recipients without a prior check for audience-content compatibility (context).
If however the initial increase in popularity is not augmented with high quality content that might pose to be interesting to the user, people are likely not to visit such a website again. Thus, persuading new users to visit such a website is crucial for achieving a cumulative effect that in turn leads to a sustainable growth in the number of active users.
Read full article >> Vanity Growth in Social Apps