How would you categorize the different forms of groupware or collaboration technologies? What sort of criteria would you make use of in order to determine when and where each type would be the best means of sharing and disseminating knowledge? How would you adopt a cost-benefit approach to such a technology selection decision?
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He was not alone. All over India, millions of migrant workers are fleeing its shuttered cities and trekking home to their villages.
These informal workers are the backbone of the big city economy, constructing houses, cooking food, serving in eateries, delivering takeaways, cutting hair in salons, making automobiles, plumbing toilets and delivering newspapers, among other things. Escaping poverty in their villages, most of the estimated 100 million of them live in squalid housing in congested urban ghettos and aspire for upward mobility.When I spoke to him on the phone, he had just returned home to his village in the northern state of Rajasthan from neighbouring Gujarat, where he worked as a mason.
In the rising heat, Goutam Lal Meena had walked on macadam in his sandals. He said he had survived on water and biscuits.
In Gujarat, Mr Meena earned up to 400 rupees ($5.34; £4.29) a day and sent most of his earnings home. Work and wages dried up after India declared a 21-day lockdown with four hours notice on the midnight of 24 March to prevent the spread of coronavirus. (India has reported more than 1,000 Covid-19 cases and 27 deaths so far.) The shutting down of all transport meant that he was forced to travel on foot.
"I walked through the day and I walked through the night. What option did I have? I had little money and almost no food," Mr Meena told me, his voice raspy and strained.