Of course, but there is a huge difference. Read the text and then continue - total time is less than 5 seconds. Often you don't even miss a beat doing what you

Of course, but there is a huge difference. Read the text and then continue - total time is less than 5 seconds. Often you don't even miss a beat doing what you are doing anyway. Rather than having to stop what you are doing, check voice mail, and then continue. And in many situations you can't even do it (meeting, lecture, noisy environment etc.).