Steps to be followed by those taking care of visitors:
Start with the question: "Are you getting our emails"?
If not, take their email (for festival updates).
Ask their interest in volunteering and spirituality.
Take their whatsapp number.
Note down their area of residence.
Send them personal unicast whatsapp message to them thanking them for coming to temple and talking to you.
Add them as part of volunteering group (if they are interested in volunteering), spiritual wisdom group (if they are interested in spirituality), Southbay satsang group (if they are interested in spirituality and live in South bay), Fremont satsang group (if they are interested in spirituality and live in Fremont or Milpitas).
Send all their email addresses to the volunteer maintaining temple emails database (currently: email@example.com)
Send the volunteer interested email addresses only to volunteer list manager (currently: firstname.lastname@example.org)