Free group messaging. It's like a private chat room for your small group. Have as many as you want, and it's always free. Now, you can coordinate with coworkers, organize a game night, and keep in touch with family all in the same place.
Contrary to what you might think (or have been told), leaving your phone or laptop plugged in all the time is not bad for its battery. That's because your gadgets, the batteries in them, and the chargers you attach them to are actually pretty smart about the way they do business.
Don't leave it plugged in all the time. Leaving your devices plugged in at 100 percent is also harmful for battery life. Battery University says overcharging is not good for the battery: Avoiding full charge has benefits, and some manufacturers set the charge threshold lower on purpose to prolong battery life...