Facebook "wizening up" to the importance of a comprehensive IP strategy?

In the teeth of Yahoo’s assertion that Facebook is infringing on 10 Yahoo patents, Facebook’s IP managers and legal consultants have obviously come to the conclusion that a planned $100B IPO backed by just 56 patents is a weak position. To gain some bargaining power, Bloomberg reports Facebook has acquired nearly 750 patents from IBM. The value of the deal was undisclosed.