Objectives of knowledge management

 First- party cookies
Served by the site you are 
currently using – typical 
for e‑commerce sites.
 Third- party cookies
Served by another site to 
the one you are viewing – 
typical for portals where 
an ad network will track 
remotely or where the 
web analytics software 
places a cookie.
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Part 1
Introduction
Cookies are stored as individual text files in a directory on a personal computer. There 
is usually one file per website. For example: dave_ chaffey@ british‑ airways.txt contains 
encoded information as follows:
F L T _ V I S ` K : b a p z R n G d x B Y U U ` D : J u l ‑ 2 5 – 1 9 9 9 `
b r i t i s h ‑ a i r w a y s .
com/0 425259904 293574 26 1170747936 29284034*
The information is essentially just an identification number and a date of the last visit, 
although other information can be stored.
Cookies are specific to a particular browser and computer, so if a user connects 
from a different computer or starts using a different browser, the website will not iden‑
tify him or her as a similar user.
Browser suppliers are keen to protect users’ online privacy as part of their value 
proposition. 2008 saw the launch of Internet Explorer 8 and its InPrivate feature and 
Google Chrome with its Incognito mode. These are intended for temporary use for a 
session where someone is browsing sites they don’t want others in the family or office 
to know about. They won’t delete previous cookies, but new permanent cookies won’t 
be created in these situations.