Yahoo is not alone: six failed tech companies and how they fell

As the internet company sells its core web business to Verizon, we take a look back at AOL, Myspace and other faded firms

Yahoo on Monday joined the elephant's graveyard of fallen internet giants. While the company is officially still alive, now merged with fellow faller AOL and owned by Verizon, it lives on as a shadow of its former self with an uncertain future. The internet has proven a ferocious testing ground for tech companies. Here are some of the other once white-hot companies that have failed to adapt and survive.