Deleting social networking, news or chat apps does not have to be the solution for you to keep you focused on your work. When you need to get a task done, open the Donut Dog App, select how long you want to focus and start being productive. The donut machine generates donuts as long as you keep on focusing. If you change or close the app the machine will stop and the session will end.
I have been using the app for more than a year and am using mainly for sprints during intense project work. Most of my colleagues started using it as well. I can only recommend it.