Digital Typography transpired in type design and text layout. It has changed font production and text composition in their entirety. Dr. Karow was involved in many of the demands for digital typefaces which came into existence from 1972 through 1997. These issues included formats, variations, interpolation, rasterizing, hinting, autotracing, grayscaling, and element separation. Modern text composition was mostly influenced by programs such as WordStar, Word, PageMaker, QuarkXPress, and FrameMaker, which replaced writing, typesetting and printing in offices on the one hand and at home on the other. In current times, text is composed much less manually than in the past, but not as digitally generated as its potential. Within modern text composition, digital text is a special part that should proceed without manual assistance and human layout. Up to now, the milestones were these: kerning, optical scaling, paragraph composition (hz-program), chapter composition (chapter fit), and digital ads. As is known, a good deal of engineering endeavors has already been implemented in regards to digital typography. However, distinct challenges still exist such as refinements to autotracing, autohinting, element separation, kerning, optical scaling, chapter fit, and automatic text composition. Many sophisticated tasks are still left to be executed, they belong more to artificial intelligence than to engineering.