By Duane Wessels Squid is the most popular Web caching software in use today and it works on a variety of platforms including Linux FreeBSD and Windows. Squid improves network performance by reducing the amount of bandwidth used when surfing the Web. It makes web pages load faster and can even reduce the load on your web server. By caching and reusing popular web content Squid allows you to get by with smaller network connections. It also protects the host on your internal network by acting as a firewall and proxying your internal web traffic. You can use Squid to collect statistics about the traffic on your network prevent users from visiting inappropriate web sites at work or school ensure that only authorized users can surf the Internet and enhance your privacy by filtering sensitive information from web requests. Companies schools libraries and organizations that use web-caching proxies can look forward to a multitude of benefits.

The author discusses how continued immigration is constantly reshaping the demography, economy, and society of the United States. America must respond to three fundamental immigration questions: how many immigrants should be admitted; from where and in what status should they arrive; and how should the rules governing the system be enforced?

The Beijing 2008 exhibition presents modern-day China – with a special focus on Beijing – in Olympic Games year. It describes the role of sport in China, the history and evolution of a society on the move, the significant architectural changes under way in Beijing and current ecological issues. Part of the exhibition is devoted to graphics and design through the icons of the Games.