Yes you can take a break and install it back later. I'm not big on any social media app.Facebook app is my favorite and most used app. I visited Facebook several times daily. Last few months, i want to uninstall the app because it seems am becoming addictive to the app. Honestly, am addicted to thecblue app.
Yeah communication is very important as such an app for it would be used as much times as possibleMessenger is perhaps the most utilized app on my smartphone. I use it to communicate with my family and friends both locally and internationally. It's better than Viber and WhatsApp in my opinion. It is easier to use.
Yeah if you work online you need the chrome browser to help you gain access to almost all the earning sites onlineI think my most used app is my chrome browser. I am always online most of the time doing one online gig or the other.