Today only, February 5, 2011: LinkedIn is offering a 1-month subscription to any of its Premium Membership Plans for FREE for a limited time. LinkedIn’s premium services allows you to contact anyone on LinkedIn (response is guaranteed), see more profiles when you search, apply more granular search filters, access to a profile organizer, see names of your 3rd degree and group connections, and much more. Deal expires February 5, 2011.

Note: You must cancel your subscription before it automatically renews at the end of the trial in order to avoid being charged for subsequent months.