> sideload /ˈsīdˌlōd/ > 1. install (software, especially an app) obtained from a third-party source rather than an official retailer. > 2. copy or transfer (d

> sideload /ˈsīdˌlōd/ > 1. install (software, especially an app) obtained from a third-party source rather than an official retailer. > 2. copy or transfer (data) from one device to another directly, typically by means of a link such as a USB cable or wireless connection. The Google Ngram for “sideloading” shows, like you mention, a measurable uptick in usage after the iPhone launch in 2007. Looking closer, there is a steep increase in frequency after the year 2000, with the steepest slope from 2005 - 2009. [1] [0]: https://books.google.com/ngrams/graph?content=sideloading&year_start=2000&year_end=2019&corpus=26&smoothing=7&case_insensitive=true https://books.google.com/ngrams/graph?content=sideloading&ye... [1]: https://books.google.com/ngrams/graph?content=sideload_*&year_start=1960&year_end=2019&corpus=26&smoothing=7 https://books.google.com/ngrams/graph?content=sideload_*&yea...