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Global foldable smartphone shipments increased by just 2.9% YoY in 2024, and shipments are expected to decline by about 4% YoY in 2025.
(www.counterpointresearch.com)
This is a most excellent place for technology news and articles.
I think the idea is that for one, the front screen can be smaller and more easily used because the main screen is bigger. On the other hand, the main screen is bigger, allowing it to act as a tablet without having to carry a second device. On top of all that, it still fits in your pocket.