The marketing technique that uses social networking sites on the internet for promotion or advertising is called as _.

its networking.

You can advertise on these social platforms as well. It will help you to reach more. Targeting your ads based on geographical location and TA will help you to get some relevant traffic to your website & hence potential customers .

If I had to pick an answer form this list i would be "viral marketing", however its more than that. It also involves inbound marketing, search engine marketing and community management as a component of PR.

This is called Viral Marketing.

Social media marketing is the process of gaining website traffic or attention through social media sites.

Social media marketing programs usually center on efforts to create content that attracts attention and encourages readers to share it across their social networks. The resulting electronic word of mouth (eWoM) refers to any statement consumers share via the Internet (e.g., web sites, social networks, instant messages, news feeds) about an event, product, service, brand or company

B - >>>>>>>>>>>>>>> Viral Marketing

B - Viral Marketing ---------------------------

The exact answer would be social media marketing, and where is that answer ?

>>>>>>>>>> B - Viral Marketing >>>>>>>>>>>>>>>>>

Viral Marketing or Viral Advertising which is gaining a traffic buzz, attention or awareness that utilizes social networking sites as a marketing tool.