The iPad, a touchscreen tablet computer unveiled by Apple chief executive Steve Jobs on Wednesday, is the latest device from a company that has introduced products that have become cultural milestones:

Here is a look at some of the best-known products from the Cupertino, California-based company:

o Macintosh computers: The first Macintosh computer was launched in 1984 and the line has grown to include iMac all-in-one desktop machines as well as stylishly sophisticated MacBook laptops.

o The iPod: The iPod was introduced in 2001 and the hip MP3 music players led a lifestyle shift in portable digital entertainment that has culminated in a touchscreen iPod Touch.

o The iTunes Store: Launched as the iTunes Music Store in 2003, Apple's online shop sells music, movies, and television shows for computers and its mobile devices.

o The iPhone: Apple introduced its first iPhone in 2007, combining iPod features and Internet connectivity in a touchscreen smartphone that swiftly became the mobile device of choice.

o The App Store: Apple began letting outside developers customize applications for the iPhone and iPod Touch in 2008, opening an online App Store now stocked with more than 100,000 fun, functional or hip mini-programs.