Added link to blog announcement

rasmusab · Jun 27, 2014 · d6e3bdf · d6e3bdf
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 `beepr`: Easily Play Notification Sounds on any Platform
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-`beepr` is an R package that contains one function, `beep()`, with one purpose: To make it easy to play notification sounds on whatever platform you are on. It is intended to be useful, for example, if you are running a long analysis in the background and want to know when it is ready.
+`beepr` is an R package that contains one function, `beep()`, with one purpose: To make it easy to play notification sounds on whatever platform you are on. It is intended to be useful, for example, if you are running a long analysis in the background and want to know when it is ready. 
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+This package was previously called `pingr` and included a `ping()` function. It has been renamed in order to not be confused with the Unix tool [ping](http://en.wikipedia.org/wiki/Ping_%28networking_utility%29). For the rationale behind `beepr` see the original announcement: http://sumsar.net/blog/2014/01/announcing-pingr/
 
-This package was previously called `pingr` and included a `ping()` function. It has been renamed in order to not be confused with the Unix tool [ping](http://en.wikipedia.org/wiki/Ping_%28networking_utility%29).  
 
 Installation
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