No problem, I've also toned down my reply.
The other lesson that is still being battled is patents, Internet protocol is essentially free. Wireless is not.
The other main difference is carriers, they are the gatekeepers to the valuable, yet resource limited spectrum that mobile phones need and therefore have a much larger control over the value chain than ISPs do for the Wired Internet.
UIQ used by many of the other manufacturers was never developed by any of them and was effectively an orphaned UI company.