There is no reason to thinks that reading and writing are about to become extinct, but some sociologists speculate that reading books for pleasure will one day be the province of a special 'reading class" much as it was before the arrival of mass literacy, in the second half of the nineteenth century. They warn that it probably won't regain the prestige of exclusivity; it may just become an increasingly secret hobby. Such a shift would change the texture of society. If one person decides to watch Ei sab Din Rarti rather than to read Sharat Chandra's Devdas,l the culture goes on largely as before ___ both viewer and reader are entertaining themselves while learning something about society in the bargain. But if over time, many people choose television over time, many people choose television over books then a nation's conversation. with itself is likely to change.

"a viewer" in the paragraph is someone-