In tech talk, 'obsolescence' suggests items are outdated quickly due to new advancements. Smartphone obsolescence is common as new models appear every year.
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Not Broken
'Obsolescence' can mean still functional but no longer considered valuable or useful. Despite its obsolescence, the old printer works fine.
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Upgrading
Obsolescence often implies the need to replace something with a newer version. We feared the obsolescence of our lab equipment.