Surveys typically come more frequently on Crowdology than other sites, but that can vary from person to person.
https://talk.hyipinvest.net/threads/281887/#post-623256
http://www.prepody.ru/topic76546.html
http://webidsupport.4up.eu/forums/showt ... #pid305263
http://horsecity.ru/phpBB3/viewtopic.php?f=23&t=256773
http://www.gztongcheng.top/forum.php?mo ... 304&extra=
http://horsecity.ru/phpBB3/viewtopic.php?f=9&t=271695
http://oldsite.giessen46ers.de/fantalk/ ... 9&t=188238
http://forum.bandingklub.cz/viewtopic.p ... &t=1446901
http://oldsite.giessen46ers.de/fantalk/ ... 3&t=174002
http://forum.arduionly.com.au/showthread.php?tid=141257
viewtopic.php?t=68448