"Outdated" or "obsolete" refers to something that is no longer in use or has been replaced by newer alternatives. This can apply to technology, such as computers or software, which may become less effective as advancements are made. For example, floppy disks are considered obsolete due to the rise of USB drives and cloud storage. In addition to technology, the term can also describe ideas, practices, or products that are no longer relevant or effective. For instance, certain fashion trends may become outdated as styles evolve. Recognizing what is obsolete helps individuals and organizations stay current and efficient.