These days, nearly everyone in the developed world has a smartphone with access to the internet, which means that cellphone apps are more important than ever before. Millions upon millions of apps are downloaded every year, but not every app on your phone is all that important when you think about it.Sometimes, an app is useful once, but then it’s quickly forgotten. Then, there are those apps that helped change the way people interact with one another. Those are the apps that really have meaning in our lives, and these ten represent the most important apps released between 2010 and 2019, listed in no particula