Sweaty. Hot. Crowded. Uncomfortable. I could be talking about a Thai prison, but I’m not. This is Mobile World Congress, arguably the biggest event in the smartphone calendar. Over three days, over 100,000 people will flock to the balmy and beautiful city of Barcelona to discuss all things tech. This is my first time covering the event. I usually make a point to avoid trade shows, simply because they’re always a bit miserable. This year was different though, and the temptation to see the first generation of foldable smartphones made me bite the bullet. Before I set out, I wanted…

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