For anyone interested in the future of computing, a chance to hear Cisco Systems Inc. CEO John Chambers talk about where he thinks the Internet is, and where it’s going, provides lots of grist for the mill. That's why his keynote at the Cisco Live developer conference is the main event at the annual meeting. (So far, the product announcements at Cisco Live have been light. The big news on Monday was a slew of new conferencing devices and a cloud video conferencing service that seems squarely aimed…