Answer:
The on-demand economy was precipitated by several factors in information technology:
a). Advancements in mobile technology and the widespread adoption of smartphones.
b). The development of reliable, high-speed internet connectivity.
c). The emergence of cloud computing and data storage, which made it possible to store and process vast amounts of data.
d). The growth of social media and online marketplaces, which facilitated the exchange of goods and services between individuals and businesses.
e). The increasing availability of APIs, which made it easier for software developers to build new applications that leveraged existing platforms and data.