Sure, the US Army could continue to develop expensive proprietary gadgets for use in the field, or they could make the switch to (relatively) inexpensive off-the-shelf smartphones.

ENGADGET: US Army runs smartphone trial, could see 'limited deployment' later this year

Intel had nearly 80% of the market share in the x86 microprocessor market that nearly all desktops, laptops and off-the shelf servers utilized, making it difficult for customers to switch to competitors.

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