Before revision:  These changes began at the time when mobility was restricted and are most pronounced for language editions associated with countries , in which the most severe mobility restrictions were implemented , indicating that the interest shift might be caused by people's spending more time at home\eg\hyp \hyp \hyp  .
After revision:  These changes began at the time when mobility was restricted and are most pronounced for language editions associated with countries , in which the most severe mobility restrictions were implemented , indicating that the interest shift might be caused by people's spending more time at home\eg\hyp \hyp \hyp related topics was either small or transient .