1. The average beta of the stocks on this list is just 0.44.

2. Those concerns have been number two or three on the list since 2011.

3. Several tech sites have now come up with a list of ways to extend battery life under iOS 7.

4. Further down the list was Comcast, with ranked last with a rating of 62.

5. Purdue has said little about the list since it began identifying doctors in 2002.

6. The final list will only be compiled in 2014.

7. Iran, Sudan and Syria are also on the list, and Cuba has been since 1982.

8. Since 1998 when it first appeared on the list, Linux has consistently dominated the top 10.

9. No company should list all of its business personal property at $1 or even $1,000.

10. The Windows version will cost $149, while the Linux version will list for $89.

11. Although the system has a list price of about $465, it can be purchased online for closer to $220.

12. The typical list price of $39.99 has been reduced 43% to just $22.97.

13. It ranks 52 on the overall 2013 list, up from 69th place in 2012.