We have moved
Week 1 - Introduction to Salesforce and Trailhead
Week 2 - User tour, Reports, List views, Accounts, Contacts, Chatter
Week 3 - Apps, custom objects, fields
Week 4 - List Views, Page Layouts, Compact Layouts, Actions. Buttons and Links
Week 6 - Sharing, Formulas, Rollups and Validation Rules
Week 7 - Validation Rules and Building a Recruiting App
Week 10 - Data Import, Export and Update
Week 11 - Reports and Dashboards