OTX has access to more than 40 million consumers worldwide, and provides online survey management that blends respondents fro ... m multiple sources to provide wide and representative populations. In 2008 OTX introduced the third generation version of its sophisticated live sampling engine, OTX to implement new levels of security and intelligently balance sample sources across many demographic and attitudinal data points resulting in better targeting and faster delivery of the most complex client quotas. read more