stale

stale    [Steyl]

adjective.  no longer fresh

"Apple's iTune has grown stale. It is difficult to use and feels dated when compared with online music services like Spotify and Pandora.  Apple today unveiled Apple Music, a single, intuitive app that combines the best ways to enjoy music -- all in one place."
"American Pie: This 1999 classic might seem stale by today's standards, but it was groundbreaking at the time."
"The hotel industry was stale and too homogeneous relative to the diversity of customers it sought to serve. The industry had largely been unaltered since the onset of hotel chains over half a century ago."

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