"Justin wrote that one of the lessons he learned from Kiko was not to get distracted by side projects. It's true they burned up a lot of time working on other ideas. Perhaps if they hadn't, they'd have been so far ahead by the time Google Calendar launche
As digital photography started to become more common, I think there was some fear about what it would do to the traditional "photo album". I guess it took this long for me to realize it made the traditional photo album way cooler and more accessible.