Then and Now Maps (?)

Hi All:
I am doing Module 1 next year…..wondering about the maps. Can you explain how maps were done? How did you  implement, save, collect, use the maps? Do you think in NEEDS to be Thena nd Now, what did you like about Then and Now specifically? If you used something else, what did you use?

Thank you…..I LOVE that you guys are out there. I just love this forum.

It’s like a BIG FAMILY!  🙂
TIA

Kelly