In today's digital world, the amount of data being generated is staggering. And not only the volume, the complexity of this data is also increasing at an unprecedented rate. Dealing with complex data can be a daunting task, but a great search engine can make it manageable.

But it's not only about handling large volumes of data, advanced algorithms are also crucial for handling complex data. For example, semantic search which focuses on understanding the intent of the user and the context of the query, is becoming increasingly popular in dealing with complex data. A great search engine can continue to learn from the data and user actions and adapt to changing requirements, and with the help of machine learning, it can constantly improve its results and functionality.