One problem that I don't think the iPad's defenders are acknowledging is Joel Splosky's "Law of Leaky Abstractions" -- http://www.joelonsoftware.com/articles/Le

One problem that I don't think the iPad's defenders are acknowledging is Joel Splosky's "Law of Leaky Abstractions" -- http://www.joelonsoftware.com/articles/LeakyAbstractions.html http://www.joelonsoftware.com/articles/LeakyAbstractions.htm... . Of course, the ideal is to leak minimally; Apple has always been good at that, but very bad at allowing anyone past the abstraction in the event that it breaks down. I believe the analogy is "sports cars with their hoods welded shut."