list of periscope search sites
http://periscopeviewer.com/
http://www.perisearch.net/index.php
http://www.recperiscope.com/index.php
https://watchonperiscope.com/
http://onperiscope.com/
http://adcity.ru/?filter:Periscope.tv
http://4hds.com/liveStreams.php?stickShowPeriscope=1