Ask.fm allows users to ask other users questions either publicly or anonymously. You can ask anyone anywhere in the world anything. Others will also ask you questions in return. The more interesting your answers are the more followers you will have. 

You the user are in control of the questions and answers that appear in your profile - if you don’t answer it won’t appear. However with saying that everything you answer is public and will appear on your profile. All content on ask.fm is public. 

You can also create verus photo polls. Verus photo polls are when users upload two photos to their profile and they ask others users to vote this or that.  Finally there is an option to shout out to anyone nearby.