If you want to get an idea of what's gone wrong with Japan's electronics industry go for a ride on the Tokyo metro.
And what particular device were they using? A quick survey of the carriage I was in found about 80% were holding an Apple iPhone.
That's admittedly not a scientific result - but the evidence is pretty stark. Where once everyone would have been listening to a Sony Walkman, today it is Apple and Samsung that dominate, even here on Sony's home ground.
The evidence can also been seen in their financial results. Japan's electronic giants are bleeding red ink.
Sony may make a small profit this year, its first since 2008. Panasonic (formerly Matsushita) is expected to post a $9bn (£6bn) loss this year. Sharp, which is much smaller, is losing money so fast it will not survive another year without a major infusion of cash.
So what went wrong?