Last.FM needs a “serendipity factor” dial

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I’ve been listening to Last.FM (and writing about it) since it was launched in 2002. I love it, to the extent of forking out when they finally asked me to start paying a few months ago.

However one of the features I most miss is a “serendipity factor” dial.

A basic concept in information filtering is the degree of serendipity of content selection. Do you want a highly predictable stream, or do you want to be very surprised sometimes?

I vary in how much I want the serendipity dial cranked up.

It would be totally awesome if Last.FM were to introduce a serendipity factor dial.

How about it guys?