How fast is bitcoin gaining mass adoption?

Could you elaborate on the current rate of Bitcoin's mass adoption? Are we seeing a gradual increase in its usage, or is it experiencing a rapid surge? What factors are driving this adoption, and are there any specific regions or demographics that seem to be leading the way? Also, how does Bitcoin's adoption compare to other cryptocurrencies, and what challenges remain for it to achieve widespread acceptance? The answers to these questions could provide valuable insights into the future trajectory of Bitcoin and the crypto market at large.