Obsolete does not always mean useless.
There are two types of obsolescence.Functional obsolescence means a device can no longer perform its intend function or cannot perform it efficiently or safely, and should be replaced.Technological obsolescence means that newer technologies have replaced the old, although the original device may still perform reliably, quickly,and safely.
Although having the latest and best is appealing, it is sometimes, or even often, better to push technology to its limits than to feel obligated to invest in the new.
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