I deleted Facebook almost one year ago and I didn't have any issue either.
I made a few Telegram and Viber groups with people I want to stay in touch with, and we invite each other this way to evenings out or parties.
I have Twitter to keep up to date with musicians or news websites, and LinkedIn to keep in touch with ex-colleagues.
IMHO who says "if they don't write to you they are not your friends" is a bit lazy, as you can have groups on IMs (Telegram, Signal, Viber) and stay off Facebook property without too many issues.
I made a few Telegram and Viber groups with people I want to stay in touch with, and we invite each other this way to evenings out or parties.
I have Twitter to keep up to date with musicians or news websites, and LinkedIn to keep in touch with ex-colleagues.
IMHO who says "if they don't write to you they are not your friends" is a bit lazy, as you can have groups on IMs (Telegram, Signal, Viber) and stay off Facebook property without too many issues.