You don't need us to tell you how necessary the internet has become to our daily lives. And since the rise of the smartphones and tablets, along with the mobile internet, we can be online anywhere, and at any time of day. However, mobile data are rarely limitless, and going
Facebook will tell us when most of our page followers are online, to plan our posts accordingly. Twitter, however, won't bother providing us with this crucial information for our followers. Luckily, a free service can point out the best time to tweet during the day.