Strange... Among all of my google accounts I have checked and NOTHING was automagically shared. My pictures must suck or I did NOT do:
Share a photo
On your computer, open Google Maps.
In the top left, click Menu Menu and then Your contributions.
Choose Photos.
Find the photo you’d like to share.
In the top right, click More More and then Share.
Share a photo On your computer, open Google Maps. In the top left, click Menu Menu and then Your contributions. Choose Photos. Find the photo you’d like to share. In the top right, click More More and then Share.