What is the truly reliable platform for operators to obtain big data accurately?

I'm not sure which operator's big data collection platform is the most reliable, but the following platforms are well received in the industry: 1. Cloud data: provide accurate human analysis and behavioral insight, and provide integrated solutions for operators. 2. Big Dipper: It mainly serves the mobile communication industry, providing personalized operation scheme and refined marketing. 3. Founder Mid-term: Focus on the field of mobile marketing, provide all-round data solutions, and integrate multiple data sources to help operators improve user stickiness and reduce churn rate. Generally speaking, a truly reliable big data collection platform for operators should have the following characteristics: extensive data sources, accurate data processing, clear data display, simple operation, predictable results and high ROI.