Determining the most used object in the world is a challenging task, as it depends on various factors such as population, culture, and individual preferences. However, there are a few objects that are widely considered to be among the most used and ubiquitous:
Mobile Phone: With the widespread adoption of mobile technology, mobile phones have become an essential part of daily life for billions of people worldwide. They are extensively used for communication, accessing the internet, entertainment, navigation, and a wide range of applications.
Toothbrush: Toothbrushes are commonly used for oral hygiene and are used by a large portion of the global population on a regular basis.
Light Bulb: Electric light bulbs have been used for over a century to provide artificial lighting. They are found in homes, offices, and various other places, making them highly utilized objects.
Keys: Keys are used to lock and unlock doors, vehicles, and other secured spaces. They are commonly used by individuals to access their homes, cars, workplaces, and other personal spaces.
Currency: Money, in the form of coins and banknotes, is used for various transactions around the world. While the prevalence of digital payments is increasing, physical currency is still widely used and exchanged globally.
It's important to note that this list is not exhaustive, and the most used object can vary depending on the specific context and region. Additionally, the advancement of technology and changing societal trends may influence the objects that are considered most used in the future.