Cookies and more...

By,Vinay Shriyan

It all started from a ...

...shopping cart at Netscape

Wikipedia says...

...a cookie is used for an origin website to send state information to a user's browser and for the browser to return the state information to the origin site

Typical flow

Go to URLRead CookieIs CookieEmpty?Use Cookie infoWrite new CookieUpdate Cookie info

No

Yes

Unique Cookies

382,576

47,908

12,246

11,219

13,489

10,580

9,895

4,372

Source: Feb 2012 statistics by cookielaw.org

Cookies is used by 49.7% of all the websites.

Automatically access to personal information

Read or write data to hard disk

Read or write information in cookies placed by other sites

Run programs on your computer

Cookies cannot...

Store any information you explicitly provide to a site

Track your interaction with parent site such as pages visited, time of visits, number of visits

Cookies can...

300 cookies per browser

Max 4Kb in size

3 imp Attributes: Name,Value,Expiry

Cookies are used for...

Personalization

Session Management

User Tracking

Web server

Ad server

Social widgets are collaborative but act as homing devices for online advertisers...

Facebook Case study

I window shop at

Yes I Love

Audience profiling

It knows who you are

+

What you like

=

Better Targeting

It knows you, before you even login...

Cookies and UK

26th May 2011, the Cookie law

Obtain informed consent from visitors

82% of digital marketers think the EU cookie law is bad for the web- eConsultancy.com

The ICO case

Websites face 500k fine for breaching cookie law

Cookies and Privacy

Opt-out of targeting

Opt-out of targeting

RTB Ecosystem, remember?

What about Chitika??

Thank you...