Contact

Andrew's vcard (for import to your address book/contacts)

email: hello-web@lewman.us
phone/txt: +1-628-254-0010 (totally unsafe)

secure, decentralized chat:
via XMPP/Jabber: deimos@chat.zw.is

Click to StandardChat (no login required)

questionably secure, centralized chat:
Threema: 62TT73PE (preferred over others below)
Wire: @andrewlewman
Matrix: @deimos:matrix.standardchat.is
Signal: deimos.60

I'm not on any other social sites or commercial systems.