 Consumer and digital rights groups are calling for big tech monopolies to be broken up following Friday's global Microsoft outage that grounded flights and caused chaos at banks, media companies and mass transit around the world. The advocacy group NextGen Competition said, quote, For decades, Microsoft's pursuit of a vendor lock-in strategy has prevented the public and private sectors from diversifying their IT capabilities. Millions are feeling the consequences of the greed and ego of one of the most egregious offenders in big tech, unquote.