The Zuckerberg group is rebuilding: While the virtual worlds have not yet been a major pillar of the business, the core apps are struggling with difficulties.
The share price has roughly halved this year, and other Internet companies are now worth four or five times as much.
But Alphabet (Google) and Microsoft are not as convincing with their business figures as they were in the past.
Alexander Armbruster
Responsible editor for business online.
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Roland Lindner
Business correspondent in New York.
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Why is that?
Why is the Internet advertising business weakening?
Why is Facebook more affected than Google?
And what's next for the companies?
We talk about all of that in this episode.