l learned the word glean from Keats ode

WHEN I have fears that I may cease to be
Before my pen has glean'd my teeming brain,
Before high pil`d books, in charact'ry,
Hold like rich garners the full-ripen'd grain;
When I behold, upon the night's starr'd face,
Huge cloudy symbols of a high romance,
And feel that I may never live to trace...

the entire ode can be found at...
http://www.bartleby.com/101/635.html

so the sense of gleaning infromation is not a new one..