The app dev undead: 5 technologies limping along

Sometimes, technologies are introduced to great fanfare and then, well, fizzle.
For whatever reasons, they do not gain much momentum or get displaced by a theoretically better successor. Not all are inferior tools -- in fact, they may even be superior to what was already available. However, superiority and innovation don't always translate to successful adoption, though some establish cult followings.[ Get the most out of collaborative programming with InfoWorld's 20 essential pointers for Git