Think of your career development in four levels
1. Building your Base (informational interviews and conference attendance)
2. Skill and Knowledge Development (Outside Projects)
3. Creating Conversations around your work (keeping up to date with your contacts, using social media and writing)
4. Finding and applying for open positions (its still necessary, but not primary)
Each of these levels serves a different purpose and is important in its own way. This method is a lot more work than checking online job sites, but it is also more rewarding.