TKAB Karma 20 Created 15 years ago Recent Submissions 1. ▲ USound Receives €10M Investment for MEMS Speakers (businesswire.com) 1 point · 2 years ago · 0 comments 2. ▲ The High Price of Efficiency (hbr.org) 2 points · 6 years ago · 1 comment All submissions on HN · View profile on HN