The iPad, introduced by Apple in 2010, revolutionized the tablet market by offering a device similar in size to a magazine that runs on the same operating system as the iPhone. It provides access to a vast selection of apps, enhances business productivity through various functions like note-taking, online payments, and web conferencing, and comes in lightweight models like the iPad Air and iPad Mini. Businesses can effectively utilize iPads for activities such as trade shows, conferences, and employee training.