One of my friends (my major client) is doing his Ph. D. in speech pathology and designed a program to combat children with learning disabilities. We commercial

One of my friends (my major client) is doing his Ph. D. in speech pathology and designed a program to combat children with learning disabilities. We commercialised the program some time ago and it's selling well, as well as becoming a major tool amongst the local and interstate education sectors. Mind you, reading is totally different from teaching computer science.