The changes now going on have their analog in the last century, when technological innovations of the day like railroads, telegraph, and steam power'developed for purposes far afield of retail, apparel, or textiles'helped transform the mass distri-bution of goods and information.
( ( ( The changes ) ( now ( going on ) ) ) ( ( ( ( ( have ( their analog ) ) ( in ( the ( last century ) ) ) ) , ) ( when ( ( ( ( technological innovations ) ( of ( ( the day ) ( like ( ( ( ( ( railroads , ) telegraph ) , ) and ) ( steam power ) ) ) ) ) ) ( ` ( developed ( for ( purposes ( far ( afield ( of ( ( ( ( ( retail , ) apparel ) , ) or ) textiles ) ) ) ) ) ) ) ) ) ( ` ( helped ( transform ( ( the ( mass distri-bution ) ) ( of ( ( goods and ) information ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS changes)) (VP (ADVP (RB now)) (VBG going) (PRT (RP on)))) (VP (VBP have) (NP (PRP$ their) (NN analog)) (PP (IN in) (NP (DT the) (JJ last) (NN century))) (, ,) (SBAR (WHADVP (WRB when)) (S (NP (NP (JJ technological) (NNS innovations)) (PP (IN of) (NP (NP (DT the) (NN day)) (PP (IN like) (NP (NP (NNS railroads)) (, ,) (NP (NN telegraph)) (, ,) (CC and) (NP (NN steam) (NN power)))))) (VP (`` `) (VBN developed) (PP (IN for) (NP (NP (NNS purposes)) (VP (ADVP (RB far)) (VBN afield) (PP (IN of) (NP (NP (JJ retail)) (, ,) (NP (NN apparel)) (, ,) (CC or) (NP (NNS textiles))))))))) (`` `) (VP (VBD helped) (VP (VB transform) (NP (NP (DT the) (JJ mass) (NN distri-bution)) (PP (IN of) (NP (NNS goods) (CC and) (NN information))))))))) (. .)))
Steam power definitely did not have any bearing on the distribution of goods and information. 
( ( Steam power ) ( definitely ( ( ( did not ) ( have ( ( any bearing ) ( on ( ( the distribution ) ( of ( ( goods and ) information ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (JJ Steam) (NN power)) (ADVP (RB definitely)) (VP (VBD did) (RB not) (VP (VB have) (NP (NP (DT any) (NN bearing)) (PP (IN on) (NP (NP (DT the) (NN distribution)) (PP (IN of) (NP (NNS goods) (CC and) (NN information)))))))) (. .)))