What are the features that HTC Sense has that vanilla Android does not have? What are the features that HTC Sense has that vanilla Android does not have?

This question is similar to What are the features that Motoblur has that vanilla Android does not have? but for HTC Sense.
integration with social networks (Facebook, Flickr, Twitter), including down to the contacts application, with contact pictures and everything
free "lost phone" functionality, without the need for a third-party application (eg. Lookout), including remote lock and wipe
an (arguably) easier to use keyboard, with quick access to numbers and common symbols
HTC-specific applications (Navigation, Sync, launcher, widgets, etc.)


Keep in mind that all of the eye-candy features offered by Sense do reduce battery life, so it may be desirable to install a third party ROM or remove them from the existing ROM using Titanium Backup.