I could see how novels set in the near past could be jarring, because it is similar enough to the present. We would never expect Long John Silver to use a GPS, but if a book was written just before GPS was available, it forces the reader to think "Oh, yes, GPS wasn't available then." It is an opportunity to think about technological change.
Then there are anachronism of a couple types, one is technology being used in a time period where it couldn't have existed (such as Long John Silver using a GPS) or the failure to recognize when technology has moved on, like tracing a call, which is outdated.
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