Because more firms are embracing BIM as the preferred design tool, questions are arising about how to work together more efficiently. As the old standards of DWG and PDF exchange are slowly fading away, BIM offers a better exchange of information allowing the exchange of intelligent 3D data. This is obviously more valuable as the data is being used for things such as energy analysis and facilities management. So what is the best way to exchange this data with the people you work with? The new standard is evolving around IFCs.