Before, you could get stock information by using http://download.finance.yahoo.com/d/quotes.csv

Now, you get the following message: It has come to our attention that this service is being used in violation of the Yahoo Terms of Service. As such, the service is being discontinued. For all future markets and equities data research, please refer to finance.yahoo.com.

What violation of TOS? People have been using this for years without any issues.

If you are going to cut this off, how about a warning and heads up?

Guess that's what we should expect from OATH / Verizon.