voice dictations were local. The data you stored in calendar did not go to cloud, and even if it did, nobody correlated your calendar with your web searches or

voice dictations were local. The data you stored in calendar did not go to cloud, and even if it did, nobody correlated your calendar with your web searches or your location. Various pieces of data existed in their own Silos, without needlessly going to cloud. These personal assistants are combining data from all sources (your contacts, location, search history, calendar, across devices) , correlating and storing it in one place to build a personality profile. This has huge privacy implications.