CultureLetter: In briefBookmarkCommentsGo to commentsBookmark popoverRemoved from bookmarksClose popoverSir: So, it's official. Mobile phones make you smarter ("Mobiles `speed reaction time'," 8 April).Not the buffoons who use the damned things on the trains I travel on, they don't.BARRY LINTONReading, BerkshireJoin our commenting forumJoin thought-provoking conversations, follow other Independent readers and see their repliesComments
Bookmark popover
Removed from bookmarks