'The need to evaluate links and make related navigational choices, while also processing..fleeting sensory stimuli, requires constant mental coordination and decision making, distracting..from the work of interpreting text.. Whenever readers, come upon a link, we have to pause.. to allow our prefrontal cortex to evaluate whether or not..[to] click.. The redirection.. from reading words to making judgments.. shown to impede comprehension and retention ' #hyperlnks bad for #reading #comprehension