The Laptop Engineering Expertise program prepares graduates for careers in sustaining, manufacturing integration and support of laptop programs. Many corporations have tried to release electronic reading programs courting back to the early 1990s. On-line retailer Amazon released the Kindle, one of many first to realize a large following among shoppers. The first Kindle featured wireless entry to content material via , along with an SD card slot allowing increased storage. The first release proved so widespread there was a protracted delay in delivering methods on release. Comply with-on variations of the Kindle added additional audio-video capabilities.