evidence: - ^ Ryan Browne (29 January 2021). "Bitcoin spikes 20% after Elon Musk adds #bitcoin to his Twitter bio". CNBC. Retrieved 2 February 2021. [...] - ^ "Elon Musk says bitcoin is slightly better than holding cash". The Economic Times. Retrieved 19 February 2021. [...] - ^ "Elon Musk Says Tesla Likely to Accept Bitcoin Again". Gizmodo. 22 July 2021. Retrieved 22 July 2021.