Apple has announced a special event on May 7, where it is expected to unveil long-awaited updates to its iPad line of tablets and accessories, according to the British national daily newspaper The Mirror. The last time the iPad received an update was more than a year and a half ago, which is the longest period without changes since it was first announced by Apple founder Steve Jobs in 2010. During this period, iPad sales declined due to market saturation. What will be shown at the Apple event Nevertheless, Apple intends to revitalize its iPad lineup at the “Let Loose” event. It is expected to …