spokeshave: Nonetheless, it is illegal to copy someone else's work, in whole or in part, without their permission. It is no less illegal if you only copy part of it.
Virtually all countries have "fair use" laws that make it legal to quote copyrighted text under certain conditions (none of which have anything to do with the author of the quoted text).
It is doubtful, however, that these laws cover cuting and pasting an entire article.
Market Data 
Markets 
AI
