Here is the release overview presentation with screenshots highlighting the important features and functionalities introduced in Salesforce Winter 16

For videos, release notes and other resources on Winter 16, please navigate to URL http://www.salesforce.com/customer-resources/releases/winter16/

And here is the list of past release overview decks

  1. Salesforce Summer 15 Release Overview with Screenshots
  2. Salesforce Spring 15 Release Overview with Screenshots
  3. Salesforce Winter 15 Release Overview with Screenshots
  4. Salesforce Summer 14 Release Overview with Screeshots