Are students with disabilities being left behind by high-tech teaching?

A new book suggests this may be the case.
http://chronicle.com/article/As-High-Tech-Teaching-Catches/190341/?cid=at&utm_source=at&utm_medium=en

http://www.peterlang.com/index.cfm?event=cmp.ccc.seitenstruktur.detailseiten&seitentyp=produkt&pk=77271&cid=5&concordeid=312466