With more than 60 million members in more than 200 countries, LinkedIn is the social network for professionals. Here's a collection of LinkedIn quick tips and tricks to help you take your profile and user experience to the next level. Your Guide to the New "Groups" FeaturesLinkedIn's Groups pages just got a facelift. Here's a look at the new, more interactive options and what they can do for you. How to Rank Higher in Search ResultsIf you're in the market for a new job, looking to gain exposure in your industry or searching for new clients, ranking high on LinkedIn search results is essential. These three simple tips will help keep you top of mind and at the top of search results.LinkedIn Etiquette: The Right Way to Request New ConnectionsIf you're serious about connecting with someone on LinkedIn, skip the boilerplate invite. Instead, follow these three steps to make connections effectively.How to Find and Follow Your LinkedIn Connections on TwitterA new LinkedIn feature bridges the gap between your LinkedIn connections and your Twitter followers. Here are step-by-step instructions for getting started.5 Must-Have LinkedIn Apps: Pump Up Your ProfileLooking to enhance your LinkedIn profile? LinkedIn's applications add another dimension to your professional persona and can give hiring managers a better peek into your 9 to 5 life. How to Use "Company Follow"LinkedIn announces a new feature that lets you keep track of key developments at companies you like. Here's how to use it and how to manage your settings.Tour the New Sharing OptionsLinkedIn unveils changes to how you can share information on the site, emulating functionality from Twitter and Facebook. Here's what you need to know about LinkedIn's new updates.New Premium Account Places Job Seekers at the Top of Hiring ListsFor $20 a month, LinkedIn will move you to the top of the application pile. Is it worth it for you?New Free Tool Matches Users to Job OpeningsIf you're on the hunt for a job, here are two tips to ensure your profile appears as a match for LinkedIn job posts.How to Get the Most From 'Answers'\nLinkedIn's Answers feature can help you showcase your expertise and connect you with people that hold similar interests, but use it with caution, experts say.\n\nHow to Increase Your Presence With Network Updates\nAn underused\u2014yet valuable\u2014feature on LinkedIn is the "Network Updates" element. The Network Updates box, located on your homepage below your Inbox updates, is the area that you can use as your "professional billboard," using 140 characters or less. Want to stay top of mind with your LinkedIn connections? This tool, when used effectively, helps you do just that. \n\nHow to Monitor Who's Viewed My Profile\nLocated about halfway down your LinkedIn homepage on the right-hand side is a box\u2014"Who's Viewed My Profile"\u2014that gives you two statistics: how many times your profile has been viewed in the last seven days and how many times you have appeared in search results in the last seven days. Here's advice on how and why to keep an eye on who is checking out your LinkedIn profile. \n\nShould You Upgrade to a Paid Account?\nSocial networking service LinkedIn is free, but if you choose to upgrade to a paid account, you have access to additional features. Not sure what you get from the paid level of membership to LinkedIn? Here's the lowdown on four advantages. \n\nHow to Reorder Your Profile Sections\nLinkedIn announced a new feature intended to give you more control over how you present your profile. Now, instead of adhering to LinkedIn's templated format, you can arrange the pieces of your profile (such as your summary, experience and recommendations) however you see fit. Here's how it works. \n\nHow to Integrate LinkedIn With Outlook\nA new LinkedIn beta feature allows you to sync the social networking site with Microsoft Outlook, giving you more transparency to your contacts and making it easier to grow your network. \n\n\nStaff Writer Kristin Burnham covers consumer Web and social technologies for CIO.com. She writes frequently on Twitter, Facebook, LinkedIn and Google. You can follow her on Twitter: @kmburnham.