Browsing is a crucial component of information discovery. However, the practice is not well-supported by the search-based or social methods of information discovery that dominate the web today.
Here's what caught my attention:
From Search to Social
The emergent discovery model today is social media. The explosion of social networking sites like Facebook, Twitter and Google+ allows users to share information on a peer-to-peer basis. This form of distribution hinges on human recommendation rather than mysterious and sometimes problematic algorithmic search rankings.
In the social model, you encounter my overwhelmingly unorganized bookshelf, but I reply with a suggestion. This saves you the time and work of searching. My selection probably satisfies you, particularly because, in this instance, it was made for you as an individual, rather than for a wider social network audience. However, it also limits your knowledge of what my collection could potentially offer.