You can use your LinkedIn connections for marketing purposes. Connect with industry professionals, clients, colleagues. Join groups that relate to you and share some valuable content. All these things will benefit your LinkedIn marketing

• If you’re serious about growing your LinkedIn network, you may want to consider creating targeted LinkedIn campaigns. This allows you to show your sponsored content to people who are most likely to be interested in it.
• When you send a connection request, be sure to include a personalized message. This shows that you’re interested in connecting with the person for a specific reason, and it’s more likely to get their attention.
• Once you know who you want to connect with, you can use LinkedIn’s search features to find them. You can search by industry, company, job title, and more. Once you’ve found some potential connections, you can send them personalized connection requests.