WordPress is considered by many, including myself, one of the most powerful tools avaliable to anyone looking to get your business or website online in the fastest possilbe time. Aloing wih its speed to setup, WordPress is easy to use even for the most daunted computer users. WordPress might take a medium technical knowledge of HTML, PHP & CSS to integrate your site with graphics and plugins but the actual day to day running and managemnet of WordPress websites is straight forward and quick to master.
WordPress is Open Source software so it is free to use and has a massive legion of developers happy to contribute to the core software as well as themes and plugins to power your website. The huge userbase of WordPress means that the core software is upgraded regularly and there are thousands of designers and developers willing to help code your website to using WordPress and related software.