For SEO - your gonna want to consider ...
- Keyword research
- URL naming conventions
- Optimized title, meta and alt tags
- SEO-friendly coding
- SEO copywriting
- Web analytics
For Social Media Marketing:
- Set up and manage social media accounts
- Network, friend, follow colleagues and groups within your industry
- Contribute compelling commentary and content that warrants follows and relevant citations within the community
- daily/Weekly micro-blogging