Changes to Friends between r3 and r4

'''People I Know'''
   * [Kenneth VanAlstyne]
   * [Michael Smyth]
   * [Michael Esler]
   * [Jason Fonseca]
   * [Keith Davis]
   * [William Mixon]
   * [Sarah Fleming]
   * [Elizabeth Reesman]

Legend

     Only in r3
     Only in r4
     -->      Modified slightly between r3 and r4