Job seekers should keep in mind that the purpose of a LinkedIn profile is not to serve as an online resume. A LinkedIn profile is a marketing tool that job seekers use to build and market their professional "brand" online.
Information about the job seeker should definitely be included on their LinkedIn profile. However, this information should be conveyed in a summary, high-level format. A summary, high-level format enables hiring managers and recruiters to quickly review a job seekers qualifications and determine if they would like to learn more about the job seeker and whether there is a potential fit with the job seeker, the role(s) the hiring manager has available, and the hiring manager's company culture.
In this video tutorial, LinkedIn offers numerous resources that job seekers can use to create effective profiles.