One of the unwritten laws of punditry is that one event is random, two events are interesting, and three events make a trend. By that measure, the purchases of data analytics vendors Looker by Google, Tableau by Salesforce, and Origami Logic by Intuit within a three week span must signify something. Is it that martech suites must now include business intelligence software? I think not. Even though the acquired products were fairly similar, each of these deals had a different…