In the past missionaries have traveled to far countries with the message of the gospel - with great hardship and often with the loss of life. In contrast we can reach millions instantly from the comfort of our homes by merely hitting the 'send' button on our computers or with iPads or phones.
I've never followed a vegan or vegetarian diet in the past but I think I could do it. It would not be easy. I have worked with nutritionists who have said a vegan diet is not necessarily all positive for your health because you need nutrients you only find in meats. I believe in a balanced diet.