What are some effective techniques for building links?

Watch this video from Google with Matt Cutts. The methods covered are:

1. Great content leads to links Controversy - write controversial articles and uncork a good rant once in a while;
2. Participate in the community
3. Answer questions - add value
4. Original research - use a scientific approach to get good data and put this on a blog
5. Newsletters to drive people to your website
6. Social media - participate on the sites where people spend their time
7. Lists - create article like 50 ways to...
8. Get a blog and establish yourself
9. Post images or things of interest
10. Write how-to's and tutorials
11. Develop a service or a product and release it for free / open source
12. Improve site architecture - can the site be crawled? can URL's be bookmarked? can Google get to all the pages on the site?
13. Make videos