A yottabyte is a unit of digital information storage that equals one septillion bytes, or 1,000^8 bytes. It is the largest standard unit in the International System of Units (SI) for measuring data. To put it in perspective, a yottabyte can store approximately 250 trillion DVDs worth of data. Yottabytes are often discussed in the context of big data and cloud computing, where vast amounts of information are generated and stored. As technology advances, the need for such large storage capacities is becoming more relevant, especially with the rise of Internet of Things (IoT) devices and artificial intelligence (AI) applications.