Earlier quoted context omitted.
Yes, but I doubt it's, say, 50 times luckier. I'll wager it's a lot easier to go from 10 million to a billion than from zero to 10 million.
It's hard to come up with a good conditional probability, but just looking at the population ratios, the odds are close to the same: somewhere around 1 in 300 American households have net worth >$10m, and somewhere around 1 in 300 of those (close to 1 in 100,000 households) have net worth >$1b.
Where would Microsoft's shrinkwrap sales strategy have been without legal advice?