I am taken from a mine, and shut up in a wooden case, from which I am never released yet I am used by almost everybody.
What am I?
© Copyright 2000-2016 salesforce.com, inc. All rights reserved. Various trademarks held by their respective owners.
Salesforce.com, inc. The Landmark @ One Market, Suite 300, San Francisco, CA, 94105, United States
Data.com is a brand of salesforce.com.