Web strategy
Having a solid website is the foundation, it should be the baseline where customers get their information on the organisation and its products and services. 

Internet marketing strategy
This is how companies reach out with traditional networks, advertising, pay per click, search ads and press and media relations online

Social media strategy
Leveraging networks and relationships. The power of networks, blogs and existing tools that people use.

PR is this new era needs to be focused on listening in order to facilitate conversations between companies and their stakeholders.