Answer The Trusted Platform Module (TPM) chip designed by the TCG (Trusted Computing Group), it stores passwords, encryption keys and digital certificates. Pro
…s: -Provides added security in case your laptop got lost or stolen, the above average joe won't be able to get into it. - Data stored on your hard-drive can be encrypted, again the above average joe won't be able to access the content of drive of your stolen laptop. -With SSO(Single Sign-On) you don't have to remember a ton of complicated passwords anymore, let your fingerprint be your identity. Cons: -with DRM (Digital Rights Mgmt) being worked on by the same group, it's a matter of time that they merge the two; which means that sofware and hardware vendors will have the possibility to constantly have be looking over your shoulder. - It all comes that to a trust issue. Are we going to trust these companies to protect us just because they are nice guys or are they doing it to increase their bottom line. You decide, meanwhile TPM is being installed on most laptop shipped since 2006. I must add the feature needs to be turn on by the user(owner). it's going mobile as well. (MORE) 
