If you look at their foray into photos and the way they talk about their service now, Dropbox is becoming a lifestyle brand focused on your personal data. Mean

If you look at their foray into photos and the way they talk about their service now, Dropbox is becoming a lifestyle brand focused on your personal data. Meanwhile, the mobile e-mail client that the Mailbox team built is so cool that it convinced about a million people to let Mailbox store a full copy of their e-mail archive ... in 10 weeks. That kind of strategic value means it's smart for them to swoop the product and team up RIGHT NOW, even if they had to pay a premium to do it.