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These add-ons to manage bookmarking and surfing could make your online time more productive. Most Web browsers include bare-bones tools for managing bookmarks and surfing the Web. These browser plug-ins can help you get more out of your online time.

Whenever you surf the Web , websites use small bits of code called "cookies" to track your activity. The goal is to determine your interests and concerns and display ads calculated to appeal specifically to you. The downside is that advertisers know which sites you have visited; some even track your online purchases.

Last week, Mozilla VP of products Jay Sullivan indicated that HTML5 would eventually replace Adobe Flash. Along with Mozilla Firefox, every browser maker out there seems to be jumping on the bandwagon of HTML5, a term that has become the most overused buzzword in the tech industry. But HTML5 is more than just the "trend de jour," says Ryan Gavin, senior director of Internet Explorer