This Oregon Law Practice Management post, from 3/25/13, maybe should be required reading:
“The Ethical Minefield of Using Social Media for Investigation”
Excerpt: “In late February, the Oregon State Bar Board of Governors approved OSB Formal Opinion No. 2013-189. Following in the footsteps of opinions about metadata (187) and cloud computing (188), the bar seeks to address the ethical minefield of using social media to investigate an opposing party, a witness, or a juror….” [Link to full blog post.]