Facebook may end up being the biggest name on the IPO calendar this year, but it's also part of a trend in which technology, and particularly Internet companies, are outpacing public offerings from businesses in other sectors.

Although Facebook (FB - to be traded on NASDAQ or NYSE) is by far the most high-profile dot-com company to go public over the past year, it is actually one of several companies that have led to a revival of web company IPOs. And while many dot-com IPOs have been long on hype, they haven't yet paid off in terms of shareholder value.

Facebook calls them "sponsored stories" and LinkedIn calls them "social ads." And you've likely seen them: small modules in the margin of your screen that promote a company or product with information on which of your friends or connections "like" or "follow" that brand.

Can industry heavyweights Google, PayPal, Microsoft and AOL -- along with 11 others in high-tech such as Facebook and LinkedIn, as well as the financial world's Bank of America and Fidelity Investments -- succeed in stopping phishing attacks right in their tracks? In uniting behind an effort called DMARC.org unveiled today, the group says it can through policy-based steps filter out spoofed email that attackers use for phishing.

When 80 percent of people reportedly don't know how to use LinkedIn properly, a New Year's resolution is born.

When I signed up for a Twitter account in the summer of 2009 I spent some time thinking about whether or not I should protect my tweets. As a novice Twitter user, I had to decide whether the benefits of protecting my tweets outweighed the drawbacks. Looking back, I do not regret my decision to protect my tweets, and I'll tell you why.

With more than 80 million users worldwide, LinkedIn has established itself as the premier social networking site for professionals. If you're job searching, looking to broaden your network or hunting for new partnerships, these 10 tips and tricks will propel you toward success.

When the popular Web site Gawker was hacked into recently, more than a million user IDs and passwords were released. If you were one of the people compromised that's annoying -- very annoying. Not that it's a big deal that someone could log into a gossip site under your name. But many of those people used those same IDs and passwords on other sites that are a wee bit more important, such as LinkedIn. Now, that's a problem.

LinkedIn announced this week a new paid account exclusively for job seekers called the Job Seeker Premium Account. The upgrade, LinkedIn says, is intended to help LinkedIn members stand out from the crowd, reach out to hiring decision makers and manage their job search more effectively.

What "Answers" Is:

How familiar are you with LinkedIn Groups? This section of the social networking site (found on the top navigation bar) is dedicated to communities of professionals based on common interests, experiences, affiliation and goals. Groups can be a great source of industry information and discussions, as well as an effective way to connect with likeminded professionals.

Instead of adhering to LinkedIn's templated format, you can now arrange the pieces of your profile - like your summary, experience and recommendations - however you see fit.