Let's decide the date for September hang-out in Warsaw

Hello! Since Septmeber 7th falls on a Sunday we need to decide whether to organize our Warsaw hang-out during the weekend or to move it to Friday or Monday. Please help us decide by leting us know your preferences using this Doodle poll: https://doodle.com/poll/cyn8dbhemmabnk4c !

Please vote by Sunday 1 September!