This is a thorough survey, with a predictable outcome. We don’t know much!
In the conclusion she advocates that professional bodies create more effective guidelines for online practice. It is one that makes sense, and there may be some that are needed, however I have a belief that for 99% of the work the existing principles are fine. Usually when an ethical question pops up, it is not so different from face-to-face practice. Are they who they say they are? Is the environment that suits? Is the pratitioner competent to use the tools they use? All apply broadly!
Ethical practice online: An exploration of provider liability risk among practitioners in the emerging field of online therapy
by Holmes, Kristie, Ph.D., Capella University, 2008, 201 pages; AAT 3324818