Privacy Policy

SUST safeguards your privacy.

SUST is a development of matter II media. Your privacy is of paramount importance to us. We believe in complete transparency concerning the data we store and how we use it. If this page does not answer all your questions, please contact us.

The SUST platform

SUST includes (1) the browser extension and (2) the website You may use either to some extent without the other.

1. The SUST browser extension

The browser extension does not capture any personal information. It stores a unique identifier within your browser, so that we can analyse usage of SUST itself. The analytics data captured by the browser extension consists only of anonymous clicks on SUST itself, not on the underlying website. None of the captured data is sold to, or utilised by, any third party.

When you install SUST, you may see warnings that SUST is gathering data about user activity and content on all websites. While SUST is loaded on every site, it operates only on the fashion sites mentioned in How it works. We record only anonymous clicks on SUST itself – not on the underlying website. SUST does not log network activity, mouse position, scroll or keystrokes.

2. The SUST website

You may use the website without registering or logging in.  If you do choose to register, we will store your email address along with your chosen handle. If you choose to log in, we will store data about your use of the website so that we can analyse its use. That analysis will not include your personal information (i.e. email address).


When registered users leave posts (questions, answers and comments) on the site we collect the data shown in the corresponding form, and also the visitor’s IP address and browser user agent string to help spam detection.


If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.


If you visit our login page, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information. All SUST cookies are time-limited.

Sharing your data

We do not share any personal data with third parties.

How long we retain your data

If you leave a post, the post and its metadata are retained indefinitely.

All registered users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

You can request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Where we send your data

Visitor posts may be checked through an automated spam detection service.