What internet marketing instruments do you think are the most effective?

it depends on the platforms.

Hi Friend,
Strategies for Marketing Your Business Online
-Invest in Web Design​​
-Use Search Engine Marketing and Optimization.
-Affiliate and Associate Programs.
-Hire a Coach or Consultant.
-Use Email Marketing.
-Build an Opt-In Email List.
-Get Into Articles or News Stories.
-Write Online Press Releases.