Contact Salesforce support to activate these features and/or increase limits
All Salesforce admins probably know that to activate certain features in their Salesforce org, they need to contact
Salesforce.comcustomer support. However not many know that they can also use this same channel to request for increase in some of the limits and other functionalities. Check out this blog post to see a quick reference mind map of what can be requested from Salesforce support
http://www.asagarwal.com/760/contact-salesforce-support-to-activate-these-features-increase-limits