Salesforce IQ is a CRM solution from Salesforce aimed at the SMB market and smaller teams. It focuses on activities and high-level information to help teams track deals and see reporting. Salesforce IQ can be used as a mobile app to replace the default email client, integrate with Salesforce1, log activities and schedule meetings directly from email. It is available for free or as a paid subscription with additional features. Setting up Salesforce IQ involves downloading the app, connecting email accounts like Gmail or Exchange, and connecting to an existing Salesforce org using login credentials.