> Oculus is the best selling VR headset available, it sold way more than the Index Release date of Valve Index: 2019-06-28 Release date of first Oculus¹: 20

> Oculus is the best selling VR headset available, it sold way more than the Index Release date of Valve Index: 2019-06-28 Release date of first Oculus¹: 2016-03-28 There were about three years of tech adoption by consumers between these releases, Oculus was, before their first commercial HMD release, was acquired by Facebook for US$2 Billion, FB which could also use its near monopoly in social networks to place ads and thus influence billions of people to buy the product(s) of one of its subsidiaries. In contrast: > It sold an estimated 149,000 sets in 2019, 103,000 of which were in the fourth quarter due to the announcement of Half-Life: Alyx, which buyers received for free. The sudden demand caused the unit to be sold out in all 31 countries except Japan in January 2020. As of December 2019, 6.67% of the VR units connected to Steam are Valve Index sets. While Valve had anticipated supply for many of those that had ordered the Index in time for the March 2020 release of Half-Life: Alyx, the COVID-19 pandemic impacted production of the Index which left Valve with a reduced number of units available on the release date. - https://en.wikipedia.org/wiki/Valve_Index#Release https://en.wikipedia.org/wiki/Valve_Index#Release (emphasis mine) ¹: since you didn't specify which of the range of Oculus HMDs you're referring to