<p>Once you get much beyond 40-50 in a class a lecture is a lecture and it hardly matters if there are 75 or 450 students there. And now you have online classes which some see as educationally effective as live classes.</p>
<p>Once you get much beyond 40-50 in a class a lecture is a lecture and it hardly matters if there are 75 or 450 students there. And now you have online classes which some see as educationally effective as live classes.</p>