When Apple started designing their unibody Macbooks, they needed to put a hole in the aluminium for the power LED. There was only one company in the world with the equipment to make those (multiple-of-nanometers-wide) holes.
Simple solution: Apple just bought the whole company. Voila, now Apple can cost-effectively produce those holes with one less renewable contract.
Also there were rumors about buyout talks last year, Apple commented that they "had some discussions with Imagination, but [did] not plan to make an offer for the company".
When Apple started designing their unibody Macbooks, they needed to put a hole in the aluminium for the power LED. There was only one company in the world with the equipment to make those (multiple-of-nanometers-wide) holes.
Simple solution: Apple just bought the whole company. Voila, now Apple can cost-effectively produce those holes with one less renewable contract.
This one might get interesting...
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EDIT: With the above being said, note this nearby comment: https://news.ycombinator.com/item?id=14022436