Cloak uses public location data from other social networks, Foursquare and Instagram, to determine the locations of others you know. Users can choose to receive an alert when certain people are believed to be nearby. It is the latest in the recent trend of "anti-social", or secretive, apps.
Yeah and how many Apple users are running on anything but the latest OSX version? pretty much none, the numbers are so low as to be meaningless.
Wish that were true, but businesses who've slashed IT spending as a reacton to the tough economy of recent years are keeping their people stuck with old PCs using WinXP and/or, where applicable, old Macs using OS X 10.5 (Leopard). In my case, it's both -- i.e., old PC with WinXP and old Mac with OS X 10.5.
"Hey Ivan, check your six." -- Sidewinder missile jacket patch, showing a Sidewinder driving up the tail of a Russian Su-27