Up until today, the jury was still deliberating on whether Microsoft's decision to skip XP support for its Internet Explorer 9 browser and focus its attention squarely on Windows 7 was sound or stupid. Judging by the market share numbers, it appears Microsoft knew what it was doing. According to data from Net Applications, IE9's share of the browser market more than doubled in the month of April compared to one month prior.

Federal Trade Commission Chairman Jon Leibowitz is holding Google's feet to the fire for the lack of a "Do Not Track" feature in the company's Chrome browser. It's the only major browser that has yet to jump on board with this specific privacy trend, which the FTC back in December recommended that all browsers adopt.

In a blog post this week, Google announced plans to add a new layer of security to its Chrome browser by having it warn surfers of potentially malicious downloads. This is in addition to Chrome's "Safe Browsing" technology, which Google says "has done a lot of good for the Web," though admits that "the Internet remains rife with deceptive and harmful content." This is where malicious download warnings will come in.