Used to show that the number previously mentioned is continuously changing, i.e. increasing or decreasing(phrase)
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Use "and counting" in a sentence
"There were a few marines around and about now, checking progress and counting heads; some convicts had absconded into the forest, including a woman named Ann Smith."
"Gratiolet34 gives the case of a man, who by continually watching and counting his own pulse, at last caused one beat out of every six to intermit."
"The 20-minute internet film that first brought the Story of Stuff to over 8 million people and counting worldwide would not have been possible without the genius creative team at Free Range Studios: Producer Erica Priggen, Director Louis Fox, Animator extraordinaire Ruben DeLuna along with Jonah Sachs, Emily Weinstein, Liz Kuehl and Ross Nover."