Are You Getting Quechup Spammed?  —  One controversial issue among social networks is how hard they should push for user acquisition.  Most social networks these days let you to import your email address book in some way (Twitter is the latest), but most make it clear if they’re about to mail your contacts.

Source:   Mashable!

Author:   Pete Cashmore

Link:   http://mashable.com/2007/09/02/quechup/