With over 350,000,000 users and almost 1/3 of them in the United States, LinkedIn is a VERY powerful business tool. The greatest power can be found in the search function. It's awesome to be able to find who you seek and to make sure those who are looking for you can find you too. That happens by having a properly filled out profile. If you're wondering how to get one, read 19 Tips to Make a Great LinkedIn Profile.