If the created book is basic text and images, then Book Creator has acted as direct tool substitute, with functional improvement. (wordpress.barrow.k12.ga.us)
Usually that just means some new color options, but we're more than happy to see functional improvements like we're getting here. (pocketnow.com)
While any towel will help remove water, manufacturers are using alternative materials and designs to produce functional improvements. (petbusiness.com)