Whether you were looking for ways to be better at your job, seeking advice for making mobile devices safe and efficient within the enterprise or brushing up on Facebook privacy, CIO.com helped you stay a step ahead of your colleagues in 2011. In case you missed any, read on to learn which stories and slideshows made the biggest impact this year.1. 6 Hot IT Jobs That Will Pay Well in 2012 IT professionals looking for new jobs in 2012 are in luck: The job market is robust across the U.S., and IT salaries in a variety of fields are on the rise. Here are the six IT jobs that IT staffing industry executives expect to be in greatest demand in the coming year. The best part? Many of these jobs are also fun. 2. 7 Precautions to Take Before Your Mobile Phone Is Lost or StolenMobile phone security rule number one: Eventually, you will lose your mobile device. This can be a waking nightmare\u2014but it's significantly worse if you're not prepared. CIO.com's mobile maestro Al Sacco offers seven must-follow tips.3. 15 Ways iPad Goes to WorkApple's iconic iPad reports for work in all sorts of strange places, from archaeological digs in Pompei to movie sets in Hollywood to cockpits in the sky.4. Apple in the Enterprise: Breaking Microsoft's GripAt Lifetime Products, Apple products breached a long-time Microsoft stronghold, disrupted a conservative IT culture and tested the CIO's mettle to inspire his troops and embrace the consumerization of IT.5. BlackBerry PlayBook Apps: 10 Must-Have Downloads, All FreeQuality apps for RIM's new tablet are few and far between right now, but they do exist. CIO.com's Al Sacco recommends 10 great PlayBook apps currently available and worthy of your attention.6. Facebook's CIO Shares IT Innovation Successes and Failures Facebook CIO Tim Campos has learned a thing or two about innovation\u2014what works, what doesn't and how to foster an environment conducive to it. Here, he shares five lessons he's learned about innovation, along with stories about his IT department's successes and failures.7. Facebook Privacy: 10 Must-Know Security Settings Facebook's seemingly endless tweaks to privacy and security settings leave many people wondering, "How secure is my Facebook account? We've rounded up the 10 most important settings for you to check.8. Four Ways the Red Sox are Scoring with SharePoint The Boston Red Sox IT group had been left stranded on base by manual processes that handled ticket requests, invoices and fan mail. But now that they've built an intranet portal using SharePoint 2010 they're speeding towards home.9. What Type of Mobile Worker Rules Your Company?From wannabes to mavericks, today's four types of enterprise mobile workers demand unique IT strategies, Forrester says. Here's their advice on how IT can serve a diverse, roaming workforce. 10. Why Law Enforcement Can't Stop HackersThe threat that criminal hackers pose to corporate and government information systems has spiked in the past five years, according to the FBI, and the trend shows no signs of abating. The worst part: Law enforcement is virtually powerless in cracking down on cybercrime. CIO.com investigates the challenges law enforcement officials face in investigating and prosecuting hackers.