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→Expansions
** tethering and hotspots created by mobile phones are worth mentioning, maybe in both timelines) ✔
** '''Expansion started on 23 July 2019'''
* [[Timeline of Pinterest]] (expansion started on 4 August 2019tentative payment accepted)
* [[Timeline of pollution]] (tentative payment accepted)
* [[Timeline of online food delivery]] (Tentative payment accepted)