I remember hearing something about Differential Privacy from a WWDC keynote a few years back however I haven't heard much lately. Can you say how and where Apple is currently using Differential Privacy/
Apple uses local differential privacy to help protect the privacy of user activity in a given time period, while still gaining insight that improves the intelligence and usability of such features as:
• QuickType suggestions
• Emoji suggestions
• Lookup Hints
• Safari Energy Draining Domains
• Safari Autoplay Intent Detection (macOS High Sierra) • Safari Crashing Domains (iOS 11)
• Health Type Usage (iOS 10.2)
Apple uses local differential privacy to help protect the privacy of user activity in a given time period, while still gaining insight that improves the intelligence and usability of such features as: • QuickType suggestions • Emoji suggestions • Lookup Hints • Safari Energy Draining Domains • Safari Autoplay Intent Detection (macOS High Sierra) • Safari Crashing Domains (iOS 11) • Health Type Usage (iOS 10.2)
Found via Google...