Very good suggestions on the game of negotiations! Four minute video tells you about how to get a good deal by pursuing and understanding the other side Nos. http://bigthink.com/videos/chris-voss-get-a-no-to-win-at-negotiations
When setting up a business cooperation in the Digital Society it is of key importance to understand the legal context for your cooperation and know explicitly what you can do. http://www.wired.com/2016/05/oracle-google-case-will-decide-future-software/?mbid=nl_52316
Still good advice despite some years old! It is a relationship game! http://www.fastcompany.com/1706852/dont-bite-hand-feeds-you-7-rules-technology-ecosystems
A good example on how you can leverage other companies to serve your customers better by working together in a win-win situation. As pointed out it requires full Company support and you need to add extra skill sets to manage the cooperation efficiently. http://blog.tolpagorni.com/how-to-increase-your-innovation-and-product-development-pace-by-leveraging-eco-systems