Have you maintained a connection with your past friends? If so, what do you use?
Remember before you delete the bird on your phone buy some real ones.
BTW: Don't use the pigeons around the us/mexican border.
But, we have still mailing-list and signal, but a pigeon is used for BBQ invitations...the important stuff, we have one where the pigeons can life and he cares for them...we pay our share (everyone is the owner of three pigeons).