On Mon, 27 Jan 2014 07:53:43 -0800 (PST), "
wrote:

Then there is the issue that since it's wifi connected,
Nest can download new software to it at any time and
you have no option to decline.

A poster recently said here, he gets advertisements on his Nest.

Next is ordering milk and eggs when the refrigerator notes things are
getting low.

See "The Internet of Things"

"Connected devices can communicate with consumers, transmit data back
to companies, and compile data for third parties such as researchers,
health care providers, or even other consumers, who can measure how
their product usage compares with that of their neighbors."

http://www.ftc.gov/news-events/events-calendar/2013/11/internet-things-privacy-and-security-connected-world

Spit