1. Install the Extension
Requirements
- Salesforce.com account
- LinkedIn account
- Chrome, Firefox or Internet Explorer.
2. Log In to Salesforce.com
Go the Leads, Account, or Contacts tab in Salesforce.com and Sign In with LinkedIn

3. See Relationship Information
On the Leads, Contacts and Account pages of Salesforce.com
Personal Connection: co-workers know this person
Company Connection: co-workers know someone at this company.