New Delhi, May 29 -- The lockdown was not something that anyone planned for. It is what is called a black swan event-something that is extremely rare and whose impact is severe, writes Krishna Kumar, Chief Executive Officer of KREATIO Software.

During the lockdown, some businesses continued to run. Meanwhile, others had to shut down. Those that continued to run had to use a host of IT solutions to do so. There were broadly five groups of technologies that came to the aid of businesses during this time.

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