Plus, step into an Amazon delivery mystery — a woman's tale of dozens of packages meant for a stranger. Also, say goodbye to flat social media photos with some great hacks. A heartwarming TikTok story, HBO's latest app and secrets to making a stellar online dating profile.

Twitter is full of trolls and politics. Not my page, though. Come say hi and learn a thing or two.

Every airport has its own specific three-letter code. Phoenix Sky Harbor Airport is PHX, for example, and Denver International Airport is DEN. It turns out that the way these codes are assigned is much more complicated than just abbreviating the city or state. If you fly to Montreal, Canada the call sign is YUL. Why is this and how does the system work?

Camouflage has been part of military strategy for millennia. It allows soldiers to hide in plain sight and attack without being seen. But a little over 20 years ago, the U.S. changed its military camouflage and everyone realized pretty quickly that it was a big mistake.

Who doesn't love a good concert? The blaring music, the beautiful lights and the singing crowd. But the process of getting the band set up, the stage ready and the venue prepared is incredibly complicated. Dozens of man hours go into getting a show ready. If a band is big enough, they have a well-oiled machine to get it done.

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