[](https://travis-ci.org/TYPO3/TYPO3.CMS)
TYPO3 is an open source PHP based web content management system released
-under the GNU GPL. TYPO3 is copyright (c) 1999-2016 by Kasper Skaarhoj.
+under the GNU GPL. TYPO3 is copyright (c) 1999-2017 by Kasper Skaarhoj.
This document provides a basic introduction to TYPO3.
* Register: https://forger.typo3.org/slack/
* Slack: https://typo3.slack.com/
-### Exchange information, get help
+### Exchange information, ask questions, get help
+
+Slack is nice for short discussions, but when asking questions, most
+answers are lost in the noise after a few minutes. To let everyone
+profit from an answer, we recommend to ask questions on StackOverflow.
+If you like, you can then post a link into the corresponding Slack
+channel to raise attention. And please, do not forget to tag your
+questions correctly with `TYPO3` (and possibly other tags like `Fluid`
+or `Extbase`).
+
+* [StackOverflow questions tagged "TYPO3"](https://stackoverflow.com/questions/tagged/typo3)
The community and all TYPO3 teams communicate through newsgroups, which can
also be accessed through mailing lists and forums. Any of these three ways
If you want to contribute to the TYPO3 CMS source code, take a look at our
Contributors Walkthrough and Review System:
-* https://wiki.typo3.org/CWT
+* https://docs.typo3.org/typo3cms/ContributionWorkflowGuide/
* https://review.typo3.org/
The [repository at GitHub](https://github.com/TYPO3/TYPO3.CMS) is a