This week's book giveaways are in the Refactoring and Agile forums. We're giving away four copies each of Re-engineering Legacy Software and Docker in Action and have the authors on-line! See this thread and this one for details.
This means the server knows about all your latest project files. If it is not synchronized, your state will read "The server should be republished". If you want to know more, search for "Application Publishing" from in WSAD's Help Contents.