Naomi Baron. Words Onscreen: The Fate of Reading in a Digital World (1 edn 2015). Top of p. 21.
I'm assuming that even in one's L1, “spaced words make it easier to decode in your head”.
Why wasn’t scriptio continua popularized or standardized earlier? I just can't fathom how nobody became aware of the godsend of spacing words before 600 A.D.!
Or did they suffer in silence all along before A.D. 600?