Popular cloud file syncing service Dropbox, much beloved by TUAW, has been in the news lately. On the one hand, it announced it had hit a new high of 25 million users, which is a number which is both pleasingly big and pleasingly round. On the other hand, it has been the target of some strongly worded criticism for its security features -- or, more accurately, problems with them.
The most recent of these criticisms arose from an update to the Dropbox Terms of Service to state that if the government asks, it will hand over yo
