Pipl.com is a people search engine that searches the "deep web" or "invisible web" to find personal information about individuals that may not be accessible to regular search engines. It provides public records and details like name, address, age, phone number, relatives, property information, and more. Basic searches are free but more in-depth reports require a paid subscription. While useful for finding old contacts, the website highlights privacy concerns since many volunteer personal details online without realizing they are accessible. Users should be aware that any information shared publicly could potentially be searched and used by others.