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Besides the obvious harddrive space saved , there is the advantage of being able to quickly spot misspelled column names and other errata in the sample code your reading or typing in as you follow along with the book , it is easier for the reader to transition to the online help files to further research something intriguing in the book ( go ahead and admit it , if you liked reading Microsoft online help files you would probably not be thinking about buying this book ) , you rarely have to worry about the unknown flaws in the sample data ( millions of other users have already relieved you of that concern ) , nor do you have to burn blood-sugar struggling to understand someone else 's obscure data set when yours is already hard enough ( nor do you have to waste time trying to introduce a strange data set to anyone else when you ask them to try and explain the author 's code , as everyone is already familiar with pubs , and if they are not , you are possibly asking the wrong person ) . Second , because Treasury securities are considered to be free from credit risk , it is easier to evaluate debt instruments such as corporate bonds and mortgage-backed securities against the risk-free rates in the Treasury market . So , I think those who are diagnosed today I think are having a better quality of life of life and it is easier to follow the diet because of what is available . Finish the shell with a couple coats of varnish before attaching the skin ; it is easier to do it then and it protects the wood and glue from the dampness of the skin . Williams could be criticized in this article for failing to mention any progressive role for a Black national bourgeoisie , but Williams is responding to a certain reality : due to imperialist parasitism , it is easier for capitalists of the internal semi-colonies to become pro-imperialist .