One commonly-touted feature of blockchains is their immutability: once data is written to the blockchain, it is there forever.8 While this can have useful applications, such as when storing straightforward transaction records, it is a nightmare when you think about its implications for user-created data, particularly when considered through the len... See more
The market for consumer productivity apps, which spurred companies like Dropbox and Evernote to multi-billion-dollar valuations, has proven to be mostly a mirage. Businesses are increasingly happy to buy software for their employees; people are often loath to buy software for themselves. And for all it did right, Mailbox never became anything more ... See more