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The first app I'd fire up when arriving in a new city was the CS app.

I'd announce myself in the activities section - ie. I want walk around the city. A few mins later I'd have a group of people wanting to meet up and explore.

Instant friends. It was wonderful!

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Couchsurfing Hangouts was also a great way for me to meet people in new cities. Is there anything aiming to replace that aspect of the site now?

It's a lot less active, but it still works. I have never found a replacement for it.

Same. I traveled for work, so I didn't need lodging. I needed instant friends, and CS provided.

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