# Engineering, research, and product updates

Deep dives into how DeltaMemory works, benchmark results, integration tutorials, and product announcements.

### Why We Built DeltaMemory in Rust  
Sub-millisecond core operations, crash recovery, and a storage engine designed for cognitive workloads. Here is why Rust was the only choice.  
[Read more](/content/blog/why-we-built-deltamemory-in-rust/index.html)

### Fact Extraction: Teaching Agents to Listen  
Raw conversation logs are useless for AI memory. Here is how DeltaMemory extracts structured facts, deduplicates them, and builds a living profile of every user.  
[Read more](/content/blog/fact-extraction-teaching-agents-to-listen/index.html)

### How AI Agents Forget (and Why That's a Feature)  
Most AI memory systems hoard everything. DeltaMemory's salience decay lets agents forget gracefully, keeping context sharp and responses relevant.  
[Read more](/content/blog/how-ai-agents-forget/index.html)