This document lists collection start dates for PRISM from various technology companies between 2007-2013. It includes years and some months that collection began for different companies, with the earliest start date being September 2007 and several other dates throughout 2009, 2010, 2011 and one in 2012. The document is classified with several secrecy designations.

1. 2007
2008
2009
2010
2011
2012
2013
TOP SECRET//S1//ORCON//NOFORN//RE-DESIGN//ANDYCRU_MP
PRISM Collection Start Dates
TOP SECRET//S1//ORCON//NOFORN
9/11/07
1/14/09
9/24/10
10/12
6/3/09
3/12/08
2/6/11
3/3/11
12/7/09