Recommended: beepr: easily play notification sounds on any platform

This package was mentioned at the most recent meeting of the Kansas City R Users Group and was too cute not to mention.

Rasmus Bååth. beepr: Easily Play Notification Sounds on any Platform. Available at https://www.r-project.org/nosvn/pandoc/beepr.html.

beepr: Easily Play Notification Sounds on any Platform