As per my thinking facebook is one of the most boring app ever. I am using from last 5 years and did not helped me for sharing my content and other things. I thing this app is just waste of time. This app is very addictive and people use it 3-4 hours a day I this this is waste of time.
Facebook app is too much heavy for loading, it takes almost 2-3 seconds to load .i this this is much more than other app.
Also its interface is same like when it was launched and I thing it is very boring. So just dont waste your time using facebook