Pui-Wing Tam: Unbeknownst to my family and me, someone was scoping out our trash earlier this year — someone hired by Hewlett-Packard Co. The trash study was carried out in January by Security Outsourcing Solutions Inc., a Needham, Mass., investigative firm that H-P employed, according to a briefing H-P officials gave me yesterday. Whether the … Continue reading How HP Kept Tabs on a Wall Street Journal Reporter