Cisco Systems' CEO John Chambers reflects on a tough year and what the industry needs to do to bounce back. Alcatel's got some ideas; for one, the French giant wants to go after the U.S. market. Click on the links below to watch the keynote speeches at this year's NetWorld+Interop conference in Las Vegas. CNET video Cisco CEO points to productivity Cisco CEO John Chambers talks about driving market trends that will turn around the technology industry. CNET video Why mobile networks need security Cisco CEO John Chambers talks about why companies need to focus on making their mobile networks more secure. CNET video Alcatel CEO eyes U.S. telecom market Alcatel CEO Serge Tchuruk talks about the company's plan to expand its business applications to the North American market. CNET video eBay expanding through licensing eBay President Maynard Webb discusses how eBay is expanding by leveraging its technology platform to other companies such as IBM. CNET video How eBay adapts for growth eBay President Maynard Webb talks about how the company's technology infrastructure will adapt to its growing user base.