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- It depends on your luck, some are ending really profitable.
remember Byteball, that was a good one, Vitae, another good one, at one point they shot up over $3 each.
I used to think they were all a scam, but to be honest I had received tokens/coins from quite a few now, I am literally signing up for a few airdrops on my phone now!
It's an android app, called free airdrops.
Thank you for the info. I see there are various apps (also Airdrop King or "Airdrops").