What is the best and most cost effective way of marketing on the internet?

[Alexa Levin]

It really depends on the type of product/service/website you want to promote, so it's hard to provide you a solution speaking in general.

The short answer: social media

The long answer:

Your internet marketing strategy should rely on a well-built plan, which includes various tactics, including

1. social media: Twitter, Facebook, Google+, LinkedIn, Youtube. All are different, still these days well-established websites have presence at each one of them. Most of the social media websites mentioned are perfect for B2C communication, with the only exception for LinkedIn - it's great for B2B also.

2. PR engagement through distributing news, press releases, i.e. targeted communication with journalists. Either hire a PR agency, or write news articles yourself and have them placed with PR distribution services.

3. Forum marketing is crucial: people looking for new services often check feedback in Google Discussions, thus your should be at least aware of what people write about you and be on time to answer user's questions.

4. Guest posting - perfect marketing strategy for bloggers. You get targeting traffic, backlinks, positioning yourself as an expert in your niche.