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When a company is charging money for a product - as Evernote does for all above its most basic service, and same for Dropbox and SugarSync - you understand its incentive for sticking with that product.

"The Danger of Free Google Software" by Orion Jones, bigthink.com.
When a company is charging money for a product - as Evernote does for all above its most basic service, and same for Dropbox and SugarSync - you understand its incentive for sticking with that product.