How big data is collected?

Companies use various means to collect customer data for improving their customer satisfaction. A few important sources of big data include:

• Social media: Companies keep a track of customers social media activities to understand their preferences. They collect data from user posts, page views and other social website activities.
• Customer Loyalty programmes: Companies launch loyalty programs and by this means collect data on customer information and buying choices. Everytime a user makes a presents a loyalty card for any purchase, his purchase data is stored.
• Email Inbox: Companies send mass as well as targeted emails and gain customer information
• Satellite Data: Google Earth and Google Maps has now made satellite data available to all.

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