SAN FRANCISCO and MENLO PARK, Calif., Sept. 17, 2021 /PRNewswire/ -- Nextdoor, Inc. ("Nextdoor" or the "Company") and Khosla Ventures Acquisition Co. II (NASDAQ: KVSB) ("KVSB"), a special purpose acquisition company sponsored by an affiliate of Khosla Ventures, LLC ("Khosla Ventures"),...