The mark consists of the term "rhythmos.io" wherein all of the letters spelling out such term are in black, except for the first occurrence of the letter "o", namely, the letter "o" located between the letters "m" and "s"; the first occurrence of the letter "o" is formed by a broken ring composed of three curved arcs, wherein a first curved arc colored dark green extends generally from the top of the broken ring along the right side of the broken ring until nearing the bottom of the adjacent letter "s"; a second curved arc colored olive green extends along the bottom of the broken ring from the bottom of the adjacent letter "s" to the bottom of the adjacent letter "m", and a third curved arc colored light green extends along the left side of the broken ring from near the bottom of the adjacent letter "m" until reaching the top of the broken ring. A first outwardly-directed tail extends from the uppermost end of the first curved arc upwardly and to the right; a second outwardly-directed tail extends downwardly from the rightmost end of the second curved arc; a third outwardly-directed tail extends leftwardly from the lowermost end of the third curved arc.