Here https://drive.google.com/file/d/0Bzu6iGPza2s9amFURTFzenRWVGgxbzNWMUVsQ2pTLTUzc1Nv/view?usp=sharing https://drive.google.com/file/d/0Bzu6iGPza2s9amFURTFzenR

Here https://drive.google.com/file/d/0Bzu6iGPza2s9amFURTFzenRWVGgxbzNWMUVsQ2pTLTUzc1Nv/view?usp=sharing https://drive.google.com/file/d/0Bzu6iGPza2s9amFURTFzenRWVGg... are some slides from a talk I gave last year at Strata about what spoofing and layering is, and how a trading firm or exchange might detect or prevent them.