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Each week we ask high-profile technology decision-makers three questions.

This week it is Keith Collins, chief technology officer (CTO) of SAS Institute.

The company describes itself as the world's leading business analytics software company. With about 12,000 staff and customers in 126 countries, the company has a turnover of $2.43bn (£1.5bn). Founded in 1976 by Jim Goodnight, the firm prides itself for investing 24% of its revenue in research and development.

What's your biggest technology problem right now?

What's the next big tech thing in your industry?

What's the biggest technology mistake you've ever made - either at work or in your own life?