1The rapid obsolescence of consumer electronics has created an unsustainable cycle of waste and resource extraction.
2Is planned obsolescence an inevitable feature of market-driven innovation, or can regulatory frameworks curb its most egregious manifestations?
3Linguists have documented the gradual obsolescence of the subjunctive mood in contemporary British English.
4Factor technological obsolescence into your long-term infrastructure planning to avoid costly retrofitting later.
5There is a poignant irony in the obsolescence of the very technologies that once defined an era's vision of the future.