Google and Facebook are ubiquitous outside the US, as well. Uber faces a lot more competition such as Lyft, Grab, Ola, Didi, GoJek. Also each one of these compe

Google and Facebook are ubiquitous outside the US, as well. Uber faces a lot more competition such as Lyft, Grab, Ola, Didi, GoJek. Also each one of these competitors has acquired a piece of the market. Google and Facebook were also easier to scale since they are purely software pursuits. Uber on the other hand has to deal with driver protests and government labour regulations and taxi licensing.