The module tracks recently viewed nodes for both anonymous and authenticated users.
It provides an API function for others to get a list of recently viewed items and also defines a configurable recently viewed items block. You might want to make use of the recently_viewed_views submodule which provides a customised default View to benefit the endless flexibility of Views.
Also if Ubercart module suite is enabled, there's another useful submodule named recently_viewed_products which adds an another default view for UC specific products with the same said functionality.
Disclaimer
This module is in an early development stage, It is not intended to be used in production.
Important notice
Since the module initiates sessions, it's incompatible with Varnish Cache.
In future releases there might be an option to work with cookies instead of sessions addressing this issue.
Recommended modules
Here is a list of recommended modules to be used with "Recently viewed views integration" and "Recently viewed products" submodules: