Released shortly after today's MIX '08 Keynote, a more standards-friendly IE8 beta 1 is now available for download. Features include: Activities - contextual services that provide quick access to external services from any web page. Webslices - take "slices" of a web site offline or bookmark. Choice of layout engine CSS 2.1 compliance HTML improvements Improved namespace support Platform performance improvements Developer tools Improved Phishing filters Domain highlighting Technorati Tags: Internet...