Participate in Groups
Participating in a handful of groups related to your professional interests will expand your network. Find "Groups" on the navigation bar. From here you can search for a group to join, manage your groups or start a new one. Groups will keep you updated with industry-related information, plus they function as a forum where you can propose and answer questions, helping you become a recognizable name.
For more: [[xref:http://www.cio.com/article/564665|5 LinkedIn Groups to Boost Your Social Media Savvy]]