And yes, I do mean your actual phonebook on your actual phone, and good, old-timey calling/smsing. It's been a long time, you don't know if the person you want to reach still uses the chat service you used last time, and if they don't you won't be notified.
I would love it if you would boost the toot above and spread the word about the challenge. We all need a little bit more social closeness these days. :)
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