The tool is very user friendly especially if you have previous experience with other content management systems like WordPress or Blogger etc.. It's not difficult at all but I would say that it could be better by including more features which makes things easier such as auto-blogging feature from Google+. More customization options should also come up because sometimes we don't want our blog post published immediately after writing them so there needs improvement of this part too! If your looking into creating blogs then definitely go ahead using UIS since its easy enought even newbies can use without any problem once u get used to everything about blogging through wordpress (which i think most people are familiar/used).