•Overall perspectives of research with the FEL and X-FEL facilities
•Design of experiments with FEL sources
•Imaging by coherent diffraction in Transmission Electron Microscopy
•Phasing and information retrieval in CDI
•Single-shot imaging of nano-objects with X-FEL
•Molecular Movies in biology using an X-FEL
•X-ray interaction with matter at the nanoscale
•The strong excitation density regime in time-dependent density-functional theory
•Modelling extreme spectroscopy and scattering
•Sample strategies for single particles (clusters, viruses) and for solids
•Acceleration technologies that work – towards CW-FEL
•Seeding and seeding-like properties of X-ray FELs / Quantum FEL
•Challenges in detection
•Key parameters of sources, detectors, and data handling in present and future FEL experiments