One of my longest ongoing Google Apps Script projects is a Google Sheet for archiving Twitter searches. This project has been the basis of a number of my other explorations including pull/pushing processed data from the statistical computing tool R http://mashe.hawksey.info/2012/01/tags-r/ and wrapping data in a combination of d3 and Google Visualization API in TAGSExplorer http://mashe.hawksey.info/2011/10/tagsexplorer-intro/
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