Internet users were given a peek yesterday at a revamped version of Microsoft Corporation's Internet Explorer, a response to criticism that the most popular tool for Web surfing and hacking made users vulnerable to the Internet's dangers and caused them to defect to alternative browsers.Earlier versions of Internet Explorer, which comes standard on most Windows computers, are still how most users access and view Web pages. But being the leader in the browser game -- with almost 85 percent market share -- means that it's also the most vulnerable to malicious programs such as viruses, worms and phishing scams. That,...