Project Planning in a Collaborative Mode - What are the Consequences of the Process and how to Succe

Project management is evolving, the entire industry is affected and must be made aware. Collaborative modes are increasingly present in our project portfolios. How is project planning affected by these changes?
What are the pitfalls to avoid and what are the best practices to put in place?
Whether at the level of planning tools, sharing and collection of data, mode of operation or attitude of collaboration, all of these issues will need to be closely monitored for the success of our projects.