David D Clark was involved in the designing the internet as it moved into the commercial sphere. He rose to prominence in the 1980s through to the mid-1990s. In the talk at Google’s Mountain View campus he goes over much of the process. The things he says about network economics and security is particularly interesting.
His discussions with politicians are particularly intriguing. There are still unanswered questions about accountability.
Embedding risky actions to provide attractive features for users, versus ensuring that these are only between people who you know.
Protocol features affect industry power, adding more features may give power to the wrong people.