because on the judging period and only designer who rank at the #1 place can continue the design submission, so if you like it, you can re-rank so i can re-submit.
yes, with "S" abstraction as a symbol in the icon, it now is an abstract mark + letter mark=2in1, thus it becomes unique yet let people easy to recognize and remember the logo rather than just an abstract mark that seem like not related to any of your company name (letters).