sleep for 5 seconds after starting a browser, since starting 20 at once brings the computer to its knees
use temp dir as $HOME instead of just chromium user-data-dir, because sometimes we have been seeing chrome print this error message and hang "[1975:2001:0603/215855:ERROR:nss_util.cc(444)] Error initializing NSS with a persistent database (sql:/home/archiveit/.pki/nssdb): NSS error code: -8187"