Not really in depth networking but still worth mentioning: Cisco announced that it will acquire WebEx for a whopping $57 per share. Cisco will spend a total of $3.2 billion. WebEx's shares increased 22.03% yesterday to $56.38.
Cisco will attempt to get a better hold of the SMB market by offering more services. WebEx is an unique extra feature for their customers.
The complete press release can be found here