Drupal is a very powerful CMS and has wide ranging applications in the industry. Drupal is beneficial to both Developer as well as the end user since is easy to use and has a modular and stable architecture.
Drupal has advantages of a very active community which is often the reason why more and more developers are choosing Drupal over other comparable Open source CMS.

Drupal has the following benefits:
1.Modular and Extensible
2.Quality Coding
3.Standards based
4.Collaboration
5.Low Resource Demands

Benefits for Developers:
1.Easy to implement multiple features
2.Good API's that tailor to realistic needs
3.Repository is frequently updated
4.Community that provides you almost instantaneous feedback

As a User

Drupal as a CMS is very helpful as it puts a user at ease by providing a simple interface through which one can create – organize – edit – delete content. A user might not have any programming knowledge but still would be able to manage the complete site.
Also through simple interface, the user can -
1.Award permissions
2.Add text, images, videos and audio files
3.Control their marketing plan by displaying ads
4.Track their current traffic
5.Do Search Engine Optimization of their site

Publishing Industry

1.Provides facilities such as storing, controlling and versioning which is very important for the publication industry. Features such as logging and reporting which is helpful in overall administration of the site
2.Publishing industry-specific documentation such as news articles, polls, forums, search etc.
3.Features such as custom roles and permissions are very important for the publishers
4.Drupal is Web 2.0 enabled and hence features like blogs, free tagging (folksonomies), wikis, Automatic syndication, forums, commenting, aggregation, comes along with regular Drupal install.

Corporate

1.Provides excellent platform for promoting brand/products
2.Features such as Blogs, Newsletters helps promote the brand
3.Drupal has all the Web 2.0 features that are present in the current trend of websites
4.Drupal is SEO friendly and hence it gives substantial visibility to your company and products