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Officials say companies are "increasingly" using spy tech to monitor movements, record conversations and even allegedly track women's "menstruation, fertility, and pregnancy".

Citigroup has added 8,000 people in its technology function over the past 12 months as it ramps up an ambitious digital transformation programme, hiking IT spending by 12% in Q1 2023 and slashing app numbers. Recent successes include the retirement of 20 trading platforms to consolidate around one, an