There are limits to connectivity maps. As one scientist put it, so far they give information only on the level of interstate highways and major cities; smaller towns and roads are not yet on the map. Other scientists wonder which should come first -- the maps or the specific questions we hope to answer with them.
University of California, San Diego, psychologists doubted the very premise of such speed reading -- that eliminating eye movements is a worthy goal. Instead, they contend, this is the "fatal flaw" in speed-reading apps -- and the reason they will never be useful for reading any text that is not easy or short.