r&d spend percent of sales in the "software" industry 2010-2015 - SERP Analysis

https://www.strategy-business.com/feature/Software-as-a-Catalyst

https://www.statista.com/statistics/572831/united-states-key-state-software-research-and-development-investment/%3Fsrsltid%3DAfmBOorx2j50RoEsfS97zQWi-7uxDFHt6xX0myVoCxgNGrjV97WMThPq

https://ncses.nsf.gov/pubs/nsb20246/u-s-business-r-d

https://download.microsoft.com/download/7/b/8/7b8ac938-2928-4b65-b1b3-0b523ddfcdc7/idc%2520report-worldwide%2520big%2520data%2520technology%2520and%2520services.pdf

https://www.brookings.edu/articles/americas-advanced-industries-new-trends/

https://www.congress.gov/crs-product/R45403

https://www.statista.com/statistics/471190/ad-spend-to-sales-prepackaged-software-usa/%3Fsrsltid%3DAfmBOopppSfXZpQYxPS0eNiz1R-GxWI9oVwxAF7r71KF1XNs_ujrrwAb

https://www.bcg.com/publications/2016/innovation-growth-corporate-venturing-shifts-gears-how-largest-companies-apply-tools-innovation

https://www.researchgate.net/publication/320271345_Software-as-a-catalyst