<blockquote>Location Histories for Location Aware Devices</blockquote>
via <a href="http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&amp;Sect2=HITOFF&amp;d=PG01&amp;p=1&amp;u=%2Fnetahtml%2FPTO%2Fsrchnum.html&amp;r=1&amp;f=G&amp;l=50&amp;s1=%2220110051665%22.PGNR.&amp;OS=DN/20110051665&amp;RS=DN/20110051665">United States Patent Application: 0110051665</a>.

LOL.  Apple even submitted a patent for tracking their users.