Huge tech companies have used the Wonderlic IQ test as recently as the last 10 years. Somebody here, if this thread isn't moribund, can chime in to say which; I'm not saying. There's a meme that IQ tests are a powerful hiring tool that have been suppressed by political correctness or gunshy HR departments, but the real reason they're not ubiquitous is that they're not fit for purpose.