Megaprojects typically encounter a number of similar problems that lead to difficulties when attempting to control project costs, schedule, etc. While every project is unique in its own facets (especially true for megaprojects), they often fail for similar reasons. With this in mind, answer the following: 

What are the 'Ripple Effect' and 'Ricochet Effect'? Provide examples and explain how they differ from one another. One challenge requires trying to mitigate problems related to 'Controlling Information Overload.' 

What exactly do we mean by problems due to 'Information Overload' and what can be done to mitigate these problems on the jobsite?