The document discusses ten "flatteners" that have contributed to increased global collaboration:
1) The fall of the Berlin Wall opened up formerly closed political systems and allowed digital information exchange.
2) The Netscape browser emergence in 1995 made accessing the internet much easier.
3) Workflow software allows computers in different locations to communicate and work together.
4) Technologies like uploading, outsourcing, offshoring, and supply chain management have empowered individuals and extended collaboration across borders.
5) Advances in computing capability through technologies like instant messaging, video conferencing and wireless further enabled global collaboration on a massive scale.