The committee disapproved of this spy method in an opinion issued in late October, saying that it violated the Last Frontier’s version of Model Rule 8.4, which prohibits dishonesty and misrepresentation.A “web bug” is a tracking device consisting of an object embedded in a web page or e-mail, that unobtrusively (usually invisibly) reveals whether and how a user has accessed the content. Other names for a web bug are web beacon, pixel tracker and page tag. more
Want to check who is secretly bugging you? Little Snitch for OSX does an excellent job and offers a free trial. Similar products exist for PC based computers. ~Kevin