The 3D printing tech is basically computer controlled to formulate any three-dimensional object with simple process, in which the selective material is deposited, joined or solidified, layer by layer and commanded/controlled by the computer.

Instant Messaging and chat apps - the most popular forms of text-based communication, have changed the way we communicate today. While millions of people around the globe send and receive messages using messaging apps.

Countries all over the world are widely promoting e-mobilization. Drastic changes in climate and severe pollution has lead to the thought increasing need to reduce carbon footprints and the use of non renewable resources.

Elon Musk, the celebrity engineer, revealed in August 2020 that he has made a breakthrough in his quest to combine artificial intelligence with the human brain.

Learning online by using electronic gadgets is called e-learning. online learning mobile applications in such as Byju's, Unacademy, Khan's academy are some of the popular e-learning applications in India.