Cookie and Privacy policy

Who We Are (this website) is a web application maintained by Raymond Tang who is passionate about sharing knowledge to others. It is currently used to share technical documents. We respect your privacy and will use any personal information collected from this website in accordance with this Cookie and privacy policy.

Information We Collect

The website will not collect any personal information about individuals except when specifically and knowingly provided by the individual. Examples of this are as follows :

  • Account registration. If you register an account, we will collect the data you enter, i.e. name and email address.
  • Post a comment. If you post a comment using the facility at the bottom of each blog post or article then we will collect that information.

We also collect non-personal information such as the type and version of internet browser, IP address you are using. This is to improve our service to you and to collect demographic data about usage of this website, such as the number of pages visited per visit etc.

User log files and IP addresses etc are also automatically collected by our ISP (Internet Service Provider).

How We Use Your Personal Data

We use your personal data in the following ways:

  1. Send email notifications about new comments or reply to your comments.
  2. Send email notifications for account related actions. We will send you email when you perform the following actions in this website:
    • Register a new account.
    • Find password.
    • Verify email address.
  3. Display your name in the comment section.

We may also contact you for feedback on your use of this website and may need to use your information to send important notices, such as updated document content where there have been regulation/law revisions or changes to our terms, conditions and policies.

Sharing and Disclosing Your Personal Information

We do not share or disclosure any of your personal data without your consent unless we think it is required or appropriate to comply with law enforcement requests and legal process, such as a court order, government request, or subpoena, or to meet national security or law enforcement requirements.

Your Rights

You are not obligated to provide us your personal data. However you will not be able to register an account or to add a comment in this website without providing those personal information specified in this policy. You will still be able to view those pages in this website without registering an account.

Download of Personal Data

You can download your personal data via link  Profile in this website. Click button  Download personal data to download.

For comments in the downloaded file, the meaning of the attributes are listed below:

  • Item1: Unique identifier for the comment.
  • Item2: Comment title.
  • Item3: Comment details.

Correction of Personal Data

You can update any incorrect information via link  Profile in this website.

Deletion of Personal Data

Go to this page to delete your comments:  My comments

To delete all your personal data, go to this page:  Delete personal data.

If you cannot delete your user account through the website, please send an email to address: enquiry[at]

What Happens When I Initiate Account Deletion?
  • When you delete your account, your account will be immediately deactivated and a full deletion will be completed within 30 days.
  • During the 30 day deactivation period, your Kontext account, including comments, will not be publicly accessible.
  • After 30 days, your Kontext data is not recoverable.

Children's Privacy

The site is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13 or knowingly allow such persons to register for an account. In the event that we learn that we have collected personal information from a child under the age of 13, we will delete it. If you believe that we might have collected personal information from a child under 13, please contact using the information below.

International Data Transfers

Personal data that this website collects may be transferred to and stored and processed in countries other than the country in which you reside, which means that laws different from the laws in your country may apply.


What are Cookies?

Cookies are small text files saved to your computer. You can disable or enable cookies by modifying the settings in your browser. For further directions on how to disable cookies please visit this page. However please note that some functionality may be affected.

Based on the domain placing the cookie, a cookie is ‘first’ or ‘third’ party. First party cookies in basic terms are cookies set by a website visited by the user - the website displayed in the URL window. Third party cookies are cookies that are set by a domain other than the one being visited by the user. If a user visits a website and a separate company sets a cookie through that website this would be a third-party cookie.

You can always display our Cookie and Privacy policy banner by clicking Cookie and Privacy policy

Why Do We Use Them?

This website use both first and third party cookies to:

  • Store any preferences you have made and display content to you in a more personalised way, for example, display page content in the language you choose.
  • Evaluate our websites' advertising effectiveness
  • Gain insight into our visitors so we can tailor our content accordingly

What Types of Cookies Do We Use?

  • Session cookies - We only use these while you are visiting this website and they are deleted when you leave. They remember you as you navigate between pages. They also help maintain security.
  • Persistent cookies - These cookies stay on your computer until they expire or are deleted. We set automatic deletion dates so that we only keep your information no longer than we need to.
  • First and third-party cookies – We place first party cookies to store any preferences you have made about this website and also to help maintain security.
Below is a full list of all third-party cookies that this website uses:
Cookie Type Description
Google Analytics, Google AdSense Google website analytics Google ( operates the Google Display Network: a collection of millions of websites and mobile applications that are powered by display advertising, including many Google services like YouTube. To learn more about how Google collect and use information for online advertising, please visit This website has disabled personalized Google ads and only non-personalized ads will show.

Opt-Out Cookies

We provide you with choice over the use of cookies as described in this policy.

Please note that this website may not work correctly if you disable all cookies. For example, you won't be able to log on as a user.

Please also note that after applying these settings, you will continue to receive advertising, although it may not be tailored to your likely interests using information collected from cookies and similar technologies on your device.

  • First Party Cookies. If you'd rather we didn't use cookies when you visit us, click here for information on how to configure your browser settings to reject cookies.
  • Third Party Cookies.
    • If you would like to opt-out of receiving personalised ads from third party advertisers and ad networks who are members of the Network Advertising Initiative (NAI), or who follow the Digital Advertising Alliance’s (DAA) Self-Regulatory Principles for Online Behavioral Advertising, you can by visiting the opt-out pages on the NAI website and DAA website or click here to opt out.
    • Google provides a suite of tools to control its cookies:
      • Google Analytics, which is a tool used to track and report website traffic, provides an out-out browser add-on that can be downloaded here.
      • Google Safety Centre has a tool where you can control the ads you see on Google and control the data used for serving ads to you. It can be found here.
    • If you wish to block other cookies, including those being served by companies that are not part of the NAI or the DAA you can use the browser-level cookie controls described below.

Brower-Level Cookie Controls

Most browsers allow you to manage cookie settings. The links below are provided to help you find the settings for some common browsers.

Other websites

The website also contains links to other websites that are completely unrelated to us. This privacy statement does not apply to them, nor do we have any responsibility for these websites.

How Long We Keep Your Data

This website only ever retains personal data for as long as is necessary and we have regular reviews in place to meet these obligations.


If you have any questions about this Cookie and Privacy policy, please email us at enquiry[at]