Privacy Policy – Demsim

1. Information We Collect

1.1 Information from Facebook Login

When you choose to log in to Demsim using Facebook Login, we may collect the following information from your Facebook account (subject to your permissions):

• Public Profile: Your name and profile picture
• Email Address: Your Facebook email address (if you grant permission)
• Facebook User ID: A unique identifier associated with your Facebook account
• Friends List: Information about your Facebook friends who also use Demsim (if you grant permission)
• Other Permissions: Any additional information you choose to share with us through Facebook permissions

Note: We only collect information from Facebook that you explicitly authorize through the Facebook Login dialog. You can control what information we receive by adjusting your Facebook app permissions in your Facebook account settings.

1.2 Information You Provide Directly

We collect information that you voluntarily provide when using our Service:

• Account information and profile details
• Listings, advertisements, and classified postings
• Photos and images you upload
• Messages and communications with other users
• Reviews, ratings, and feedback
• Payment information (processed through secure third-party payment processors)

1.3 Automatically Collected Information

When you use the Service, we may automatically collect certain information:

• Device information (device type, operating system, unique device identifiers)
• Usage data (features used, time spent on the Service, interactions)
• Location information (if you grant location permissions)
• Log data (IP address, access times, error logs)
• Cookies and similar tracking technologies

2. How We Use Your Information

We use the information we collect, including information from Facebook Login, for the following purposes:

• Account Creation and Authentication: To create and manage your Demsim account when you use Facebook Login
• Service Provision: To provide, maintain, and improve our classifieds marketplace
• Personalization: To personalize your experience, including showing you listings relevant to your location and interests
• Social Features: To enable social features, such as connecting with friends who also use Demsim (if you grant permission)
• Communication: To facilitate communication between buyers and sellers, and to send you important service updates
• Transaction Processing: To process transactions and payments
• Safety and Security: To detect, prevent, and address fraud, abuse, and security issues
• Analytics: To analyze usage patterns and improve our Service
• Legal Compliance: To comply with applicable laws and regulations

We do not use information obtained from Facebook for any purpose other than those described in this Privacy Policy, and we do not share your Facebook information with third parties except as described in Section 3 below.

3. Information Sharing and Disclosure

3.1 Facebook Information

We do not sell, rent, or share your Facebook information with third parties. Information obtained from Facebook Login is used solely for the purposes described in Section 2 and is not shared with advertisers or other third parties for their marketing purposes.

3.2 Public Information

Information you choose to make public through the Service (such as listings, public profile information, and reviews) will be visible to other users and the general public. This does not include your Facebook information unless you explicitly choose to make it public.

3.3 Service Providers

We may share your information (excluding Facebook information) with trusted third-party service providers who perform services on our behalf, such as:

• Payment processing services
• Cloud hosting and data storage providers
• Analytics and data analysis services
• Email delivery services
• Customer support platforms

These service providers are contractually obligated to protect your information and use it only for the purposes we specify.

3.4 Legal Requirements

We may disclose your information if required to do so by law or in response to valid requests by public authorities (e.g., a court or government agency), or to protect our rights, property, or safety, or that of our users or others.

3.5 Business Transfers

In the event of a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction. We will notify you of any such change in ownership or control of your personal information.

4. Data Security

We implement appropriate technical and organizational security measures to protect your personal information. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security. You are responsible for maintaining the confidentiality of your account credentials.

5. Your Rights and Choices

5.1 Accessing and Updating Your Information

You can access and update most of your personal information directly through the Demsim app settings. You can also update your Facebook permissions at any time through your Facebook account settings.

5.2 Data Deletion

You have the right to request deletion of your personal information, including information obtained from Facebook Login. To request deletion:

• Delete your account through the app settings, or
• Use our account deletion form, or
• Contact us at privacy@demsim.com with your deletion request

When you delete your account, we will delete or anonymize your personal information, including any Facebook information we have stored, within 30 days of your request. Please note that some information may be retained for legal or legitimate business purposes (e.g., transaction records required by law).

5.3 Facebook Permissions

You can revoke Demsim's access to your Facebook information at any time through your Facebook account settings. To do this:

1. Go to your Facebook Settings
2. Navigate to "Apps and Websites"
3. Find Demsim and click "Remove"

Note: Revoking Facebook access may affect your ability to use certain features of the Demsim app that require Facebook Login.

5.4 Additional Rights

Depending on your location, you may also have the right to:

• Data Portability: Request a copy of your data in a portable format
• Opt-out: Opt-out of certain data collection and processing activities
• Object to Processing: Object to certain types of data processing

To exercise any of these rights, please contact us using the information provided in the "Contact Us" section below.

6. Children's Privacy

The Service is not intended for children under the age of 13 (or the applicable age of majority in your jurisdiction). We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.

7. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that differ from those in your country. By using the Service, you consent to the transfer of your information to these countries.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

9. Facebook Login and Facebook's Privacy Policy

When you use Facebook Login to access Demsim, you are also subject to Facebook's Terms of Service and Privacy Policy. We encourage you to review Facebook's privacy policy to understand how Facebook collects, uses, and shares your information:

Facebook Privacy Policy

Demsim is an independent service and is not affiliated with, endorsed by, or sponsored by Facebook, Inc. Your use of Facebook Login is subject to Facebook's terms and policies.

10. Third-Party Links

The Service may contain links to third-party websites or services. We are not responsible for the privacy practices of these third parties. We encourage you to read the privacy policies of any third-party websites or services you visit.

11. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy, our privacy practices, or your personal information (including information obtained from Facebook Login), please contact us:

We will respond to your inquiry within 30 days of receipt.