1. Introduction

2. Diffuse interstellar bands

3. Spectroscopic surveys
3.1 Current massive spectroscopic surveys
3.2 Future spectroscopic surveys

4. DIB measurement
4.1 Detection methods
4.2 Equivalent width measurement

5. Toward a multi-dimensional picture
5.1 3D ISM mapping
5.2 Time domain

6. Dynamical Interstellar Medium
6.1 Velocity information
6.2 Cloud collisions and shocks