Use Samsung Galaxy Note 3 with gloves
A while ago while introducing new Lumia handsets Nokia touted about its "Super Sensitive Touch" feature that allows to use a touch screen phone while wearing gloves (basically without directly touching the screen with your fingers).
Many people don't know this, but Samsung Galaxy devices also have option to increase screen sensitivity to make the screen work while wearing gloves. By default this option is disabled.
Facebook Android app pushes random notifications to remind about itself
I'm not a heavy Facebook user, but tend to check it on average few times a week. Facebook normally sends a push notification to your phone when somebody posts on your wall, comments on a photo you uploaded, or does something similar concerning yourself. This is all well and good and if I visit Facebook at least once a day, it all works as expected.
How to replace S-Voice with Google Now on Samsung Galaxy devices
When you long press the headphone button your Samsung Galaxy device, Samsung S-Voice launches. I find Google Now much more useful than Samsung S-Voice and it's really easy to replace S-Voice with Google Now.
Samsung Galaxy S4 - DCIM Camera folder appears empty
When Samsung Galaxy S4 is connected to a Windows PC, DCIM\Camera folder appears to be empty. But when browsing on the actual phone with an Android File Manager (or via Gallery app) you can see that there are hundreds of images in that folder.