At the head of her journal, she writes:
- I am researching the motivations for communicating online.
If I post publically about the above, it is likely that I will use the post and any comments as fieldwork to my research. If I do use it, I won't use names and when my thesis is submitted, the post will be made private.
In the past I have attempted to contact everyone who has made valuable comments that I may wish to use. This kind of replaces that. If you don't wish your comments to be part of my research, please do not comment. If you wish to comment anonymously, you can.
So if you comment to her journal, she can quote you without restriction and without seeking further permission -- be warned.
She's posted an explanation here, but her journal style means that the above I-can-do-what-I-like-and-you-can't-stop-m
For a living, I kill the ability of spammers to spam. She's very lucky indeed that she didn't email me. Edit: Clearly the previous version of this paragraph had enough metaphor to confuse stupid people.
Edit: She's currently changed that warning to "If I wish to use any of the information within your comments on my posts I will of course obtain permission before doing do" [sic] -- you might want to check before you comment in future.