I couldn't imagine how those famous businesses websites manage their many email subscribers everyday. This wonders me before when i don't know nothing about internet and software. I never thought about all of the things that is related to internet until i got engaged with working online.So as i came acrossed many websites i have learned that most of them uses email marketing software or email software in managing their many subscribers. They even used email newsletter to spread important announcement to all of their subscribers which i find it very useful. It is very amazing that people nowadays came up with those helpful high technology ideas to help businesses to be more effiecient and effective. I know there are still a lot of similar things out there that was recently created to help manage businesses and each of it has its own distinct features. So in other words, you can choose the best suited software you can use to manage your business online.