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Spotify to axe 1,500 workers to save costs
(www.bbc.com)
This is a most excellent place for technology news and articles.
Probably data-analysis/AI type stuff to track users and advertise "better," making the backend more efficient to reduce costs, and adding support for new hardware. A lot of big, very profitable companies also have skunkworks-like projects for exploring new ideas and prototypes, most of which never make it into production.