<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Apologies—after sending the first version of the flyer, we discovered a few typos in it. Please use this version instead.<br class=""><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>—The BOSC Organizing Committee</div><div class=""></div></body></html>