1. Google reportedly paid a substantial amount of money to prevent its CEO, Sundar Pichai, from joining Twitter. The article suggests that this was part of a "battle of the giants" between the two tech companies, as they compete for top talent in the industry.

2. The article does not provide an exact figure for the amount Google paid to keep Pichai, but it speculates that the sum was likely significant, given Pichai's high-profile position and the fierce competition for skilled executives in the tech sector.

3. The article suggests that this incident highlights the intense rivalry between Google and Twitter, as they vie for dominance in the tech industry. It also raises questions about the lengths companies will go to retain their top talent and prevent them from joining competitors.