Comment on Map of HN visitors that clicked the #3 post this morningComments−srik123415ywhat does the blue dot represents?−daverecyclesOP15yIt means 2+ actions, while red is 1 action. So they probably clicked a link on the page after reading.
Comments
what does the blue dot represents?
It means 2+ actions, while red is 1 action. So they probably clicked a link on the page after reading.