> Most of them are worthless They are almost never worthless. Small startups who are not experienced with interviewing may get a few bad apples, but companies

> Most of them are worthless They are almost never worthless. Small startups who are not experienced with interviewing may get a few bad apples, but companies like Quora (and the others on the list in submission article) don't make those mistakes. Sure, they may not all be Alex "Im-a-core-dev-for-Pypy" Gaynor's, but generally they'll be worth every penny of that 90k and another 90k more.