Jack Ma, the billionaire co-founder of Chinese e-commerce giant Alibaba, urged Mark Zuckerberg to tackle the growing criticism aimed at Facebook by regulators and users around the world, and "really take it seriously."

Alibaba's Jack Ma. Credit:Bloomberg

China's richest man and chairman of Alibaba Group on Monday weighed in on the controversy, calling on his fellow internet pioneer to "fix" a social network that had grown explosively over the past decade and a half. Asked at the Boao Forum about the Facebook furor, the billionaire started dismissing questions but then couldn't help opining on the crisis facing the US company.

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Facebook's shares have tumbled since the company disclosed in March that it may have shared the personal data of tens of millions of users with Cambridge Analytica, a research firm that helped elect President Donald Trump. Enraged users launched a #deletefacebook campaign and regulators around the world are investigating its handling of sensitive personal information.