Privacy nightmare: camera sensor that can see through walls

[ricktas]

http://www.utdallas.edu/news/2012/4/18-17231_New-Research-Could-Mean-Cellphones-That-Can-See-Th_article-wide.html

[Mary Anne]

What Next !!

[ameerat42]

(Pity there isn't one that can see through garbage.)

There is much hope place on the word "see" in the article. Not that I discount the discovery/development,
but it has been rather pressified. For instance, what exactly is it that will be so seen? How many walls? Etc.