The ad box to the left of this text is from a Washington Post news article page. It's one of those omnibus ads you see syndicated across many websites, containing a number of different ads made to look vaguely like intriguing news-trendy stories.
Now, read the ads. Do they sound like reputable companies to you? It's fully possible that they are; but if so, then they should fire their ad copy writers and promotional team. These read like fly-by-night scams that try to trick you into clicking through to bad websites.
I know, I know; there's a sucker born every minute.
But here's a better slogan to keep in mind: caveat emptor.