Bootstrap is still super useful if you need something to look "pretty good", and want to build it fast. It's great for internal tools, protoypes, personal use,

Bootstrap is still super useful if you need something to look "pretty good", and want to build it fast. It's great for internal tools, protoypes, personal use, or even B2B software that just needs a functional design. If you're building Facebook, yeah maybe it's not so useful.