TYPO3 CMS provides a feature called "workspaces", whereby changes can be made to the content of the web site without affecting the currently visible (live) version. Changes can be previewed and go through an approval process before publishing.
G+D hosts it's videos on Wistia. This short manual will show you how to upload a video to Wistia and embed it on a page.
Countries without their own HR System currently directly post their vacancies to the gi-de.com page via Typo3.