In real world, if a worker sits all day and reads newspaper or chats with friends you can easily see and prevent it. In dev work, you don't see it. One of the c

In real world, if a worker sits all day and reads newspaper or chats with friends you can easily see and prevent it. In dev work, you don't see it. One of the commenters at HN was proud of how smart he is that he can work half an hour a day and coast the remaining time. So, the best solution is to make things visible. Make everyone's work visible to everyone else. Daily agile meetings/reports are one way.