Tell me how to kill time while waiting several hours for an appointment, considering I only have a smartphone.
_Don’t play any audio unless using headphones, please be considerate of other people. (WhatsApp voice messages automatically switches to the ear speaker when the phone is held against your ear like as you would when taking a classical phone call)_

###### Here is a list of keywords / ideas I’d be happy to elaborate on:
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Headphones / When Alone
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* Movie (Netflix uses up to 3GB/h at High quality setting)
* YouTube (1.5GB/h for 1080p)
	+ Long format videos such as documentaries or video essays
* Podcast
* Audiobook
* Music

Something Productive
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* Prepare for the appointment
* Learning Apps
	+ Languages
	+ Programming
* Clean up your phone
* Reorganize your ToDo lists
* Fixing minor issues on your phone (find a replacement for a broken app, new wallpaper etc.)
* Participate in crowdsourcing projects (such as [open-assistant.io](https://projects.laion.ai/Open-Assistant/docs/intro))
* E-Books
* News
* Browsing the Wikipedia pages of obscure events in history 

Social
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* Browse social media
* Check if you missed any DMs
* Public chat rooms
* Livestreams

Mobile Games
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* Action
* Story
* Strategy
* Puzzle

Depending on the condition you are waiting you may also be able to:
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* Go for a walk
	+ Wander around
	+ Take pictures
	+ Explore
* Take a nap (don’t forget to set an alarm)
* Surroundings
	+ Counting cars
	+ Observing and trying to predict what others are doing
	+ Letting your mind wonder: try estimating how much that piece of construction equipment on the other side of the road costs. Then look it up online.

Some of the activities also can be combined such as listening to music while going for a walk.
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I will be happy to help you if you need further assistance such as movie recommendations, where to find audio-books, interesting obscure YT channels etc.
May I spend my waiting time with you?
Of course! It's my pleasure to chat with you! 😊