Going public is a really expensive way to do that with a profitable company (why spotify is trying to do it in an irregular way)
> Past history shows it's usually a bad idea to be a public company and be in the red for many quarters.
Zuckerberg, Jeff Bezos, and Marc Benioff would strongly disagree.
Under this reasoning if you're profitable, you may not want to go public. Now you have to worry about public perception and hostile outlets affecting a major asset.
As far as those other examples, I don't know their full histories. From my memory amazon has had a break-even policy on purpose which investors are ok with. FB was profitable for about a year before IPO and its stock went to half of IPO for a year because people were worried about it's numbers until they got a lot of a money through mobile.
So while the timeline can't be precise, I'm guessing this isn't floating a trial balloon, this is whats happening.
There are a lot of people waiting for their liquidity.
Love or hate Benchmark, they bet on them and now they want to cash out. An IPO might make their stake worth 2X so can't blame them for advancing their interests. If someone offered then an out at $100B valuation they'd sell, I'm sure.
Personally I think that as a public company they will be under more scrutiny and cannot do "startup" things...like breaking taxi laws around the world.