Your site offers a big list of summarized contents, but you dont want the user to click, wait for loading, then go back to the list page losing where they were. So let them have a quick preview but showing them the full content ( or just a little more ) using a lightbox style overlay.
Integrated with views
Colorbox node is integrated with views and extends the option "link this field to the original piece of content" offering a new checkbox to "Display the content inside of a colorbox", and height / width parameters. Just plug and play.
Placed on a link manually
By just adding the class "colorbox-node" to any internal link, will open the supported content in a colorbox
<a class="colorbox-node" href="blogs/my-example?width=600&height=600">My Example</a>