Learners were once
limited to the books they had and the knowledge of their teacher, now they can
learn about anything they choose at the touch of a button.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.

Learners were oncelimited to the books they had and the knowledge of their teacher, now they canlearn about anything they choose at the touch of a button.