Group items tagged

""I have spent much of my career creating and curating this knowledge repository," Garfield said.  "Knowing that Pioneer Knowledge Services will ensure its preservation and accessibility gives me great comfort and inspires me to continue writing and investing in the site's development.""

1 per cent will contribute 100 per cent of their knowledge. 9 per cent will contribute (say) 10 per cent of their knowledge. 90 per cent will contribute nothing.