> ## Documentation Index
> Fetch the complete documentation index at: https://docs.contactsmanager.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Friend Recommendations

> Intelligent contact recommendations without compromising privacy

# Friend Recommendations

ContactsManager SDK provides sophisticated recommendation algorithms that help users discover connections within your application while maintaining complete privacy of their contact data.

## How It Works

The recommendation engine in ContactsManager uses a privacy-focused approach:

1. **Local Processing**: Recommendations are generated on the device without sharing contact lists
2. **Privacy-Preserving Matching**: Users are matched through secure cryptographic techniques
3. **Contextual Suggestions**: Recommendations are based on multiple signals, not just contact presence
4. **User Control**: Users always have the final say on which recommendations to act upon

## Key Recommendation Features

* **People You May Know**: Discover users within your application who might be real-world connections
* **Users of Your App**: Identify which contacts are already using your application
* **Shared Connections**: Find users who share mutual connections
* **Smart Prioritization**: Recommendations are ranked based on relevance and interaction patterns

## Privacy Protection

Friend recommendations in ContactsManager are fundamentally different from traditional social networks:

* No contact data is stored with your servers or ContactsManager's servers
* Cryptographically secure matching protects users' privacy
* All sensitive processing happens on the user's device
* Military-grade encryption secures any data used in the matching process
* The user remains in full control of their data at all times

## Applications

* Frictionless onboarding with friend discovery
* Building social graphs without requiring contact uploads
* Increasing user engagement through meaningful connections
* Growing your app's network through trusted referrals

For more details on implementing recommendation features in your application, visit [contactsmanager.io](https://contactsmanager.io).