No anti-Microsoft leaning from me.  I've been a strong 
supporter.  Here is the WSJ article.  Judge for yourself:
http://ptech.wsj.com/ptech.html
Personal Technology
July 14, 2005
Despite Others' Claims, Tracking Cookies Fit My Spyware 
Definition
By WALTER S. MOSSBERG
Suppose you bought a TV set that included a component to 
track what
you watched, and then reported that data back to a 
company that used
or sold it for advertising purposes. Only nobody told you 
the tracking
technology was there or asked your permission to use it.
You would likely be outraged at this violation of 
privacy. Yet that
kind of Big Brother intrusion goes on every day on the 
Internet,
affecting millions of people. Many Web sites, even from 
respectable
companies, place a secret computer file called 
a "tracking cookie" on
your hard disk. This file records where you go on the Web 
on behalf of
Internet advertising companies that later use the 
information for
their own business purposes. In almost all cases, the 
user isn't
notified of the download of the tracking cookie, let 
alone asked for
permission to install it.
Luckily, the leading Windows antispyware programs can 
detect and
remove these tracking cookies. It is the best defense a 
user has
against this tactic.
Now, though, some of the companies that place these files 
on your hard
disk are complaining about that defense. Some are urging 
the
antispyware software companies to stop detecting and 
removing tracking
cookies. They assert that the secret placement of these 
tracking
mechanisms is a legitimate business practice, and that 
tracking
cookies aren't really spyware or aren't harmful.
Unfortunately for consumers, this twisted reasoning is 
having some
impact. In the most notable case, Microsoft disabled the 
detection and
removal of tracking cookies when it purchased an 
antispyware program
from a small company called Giant and turned it into 
Microsoft Windows
AntiSpyware. That is a big reason why I can't recommend 
the Microsoft
product, which still is in the test phase but is 
available for anyone
to download.
Microsoft says it still is evaluating how to treat 
tracking cookies in
the program's final release. I believe it is important 
for consumers
to know who is on their side right from the start and who 
may be being
swayed by companies that do things to your computer 
without telling
you.
The antispyware program I currently use and recommend, 
Spy Sweeper
from Webroot Software, still detects and removes tracking 
cookies. So
does another antispyware program derived from some of the 
same
computer code as the Microsoft product -- CounterSpy, by 
Sunbelt
Software. I haven't tested the latter program, but it has 
received
good reviews elsewhere. There are other antispyware 
programs as well
that still treat tracking cookies as spyware.
To understand the tracking-cookie issue, you have to know 
something
about cookies overall, and you have to know what spyware 
actually is.
Cookies are small text files that Web-site operators -- 
and
third-party companies that insert ads into Web sites -- 
place on a
user's computer. Many types of cookies are harmless or 
even helpful.
For instance, a cookie might help a Web site remember 
your preferences
for what news topics you chose to see. With your 
permission, it might
store your login information, so you don't have to type 
it in each
time you visit a particular site. Antispyware programs 
aren't designed
to detect or remove these helpful cookies.
Tracking cookies shouldn't be confused with these other 
cookies. They
have no user benefit except the vague promise that the 
ads you get as
a result may be better tailored to your interests.
What is spyware? There are many definitions, but here is 
mine, in two
sentences. Spyware -- and a related category called 
adware -- is
computer code placed on a user's computer without his or 
her
permission and without notification, or with notification 
so obscure
it hardly merits the term. Once installed, spyware and 
adware alter
the PC's behavior to suit the interests of outside 
parties rather than
those of the owner or user.
Examples of spyware and adware include programs 
called "browser
hijackers," which reset the home page or search engine 
used by your
browser so the user is diverted to the sites of the 
spyware and adware
companies or their clients. Others record your activities 
and report
them to outside parties. Still others push ads in your 
face, even when
you aren't using the Web.
Some tracking-cookie purveyors say their cookies aren't 
really spyware
because they aren't full-fledged programs and they aren't 
as
outrageous as spyware programs like "key loggers," which 
record and
report every keystroke you enter. Others argue that the 
companies
don't collect personally identifiable data, only 
aggregate data from
many users. To me, tracking cookies clearly meet the 
obvious
definition of spyware.
Rather than trying to legitimize tracking cookies with 
pressure and
marketing campaigns, I suggest that, if they really 
believe tracking
cookies are legitimate, the companies that use them 
simply go
straight. They should ask a user's permission to install 
the cookies,
pointing out whatever user benefits they believe the 
cookies provide.
They might even offer users compensation for allowing 
tracking cookies
on their machines.
Until that happens, here is my advice: If you don't like 
the idea of
tracking cookies, run an antispyware program that detects 
and removes
them, along with all the other indefensible computer code 
some
companies think they have the right to install. After 
all, it is your
computer.
Write to Walter S. Mossberg at (e-mail address removed)
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