it's both xie xingfang and huang sui's b'day today (8th Jan). they're both turning 23 which is actually not very young anymore for a badminton player. i would say that they have about 5 more years to go, if not less. coming b'days yang wei --> 13th Jan gong ruina --> 18th Jan lars passke --> 18th Jan cai yun --> 19th Jan lee won kyung --> 21st Jan tan fook choong --> 6th Feb Flandi Limpele --> 9th Feb wong choong hann --> 17th Feb bao chunlai --> 17th feb zhou mi --> 18th feb also in jan chen qiqiu --> 4th xia xuanze --> 5th sang yang --> 7th thats abt it. i might have missed some people out since i didn't do the search in a lot of detail but i think i got all the better players.