Eye-tracker hardware and its properties -- From vague idea to experimental design -- Data recording -- Estimating oculomotor events from raw data samples -- Areas of interest -- Attention maps : scientific tools or fancy visualizations? -- Scanpaths : theoretical principles and practical application -- Auxiliary data : events and representations -- Movement measures -- Position measures -- Numerosity measures -- Latency and distance measures -- What are eye-movement measures and how can they be harnessed?