Pointing to Assistant Professor of Law Susan Crawford
's blog, iman1003
writes "The FCC has filed a brief where it claims regulatory power over all instrumentalities, facilities, and apparatus 'associated with the overall circuit of messages sent and received' via all interstate radio and wire communication according to a blog published by Susan Crawford. The blog can be found here and the brief here (in PDF format). Kind of scary if you ask me." Ars Technica has good commentary
on this, also referencing Crawford's findings.