Additionally, market share doesn't mean as much. If someone new to computers goes to buy one, they look out and see everyone else using Windows so they march over to Dell which everyone else is using and buy one. They don't realize Mac is better. Eventually someone with a Mac reaches them and teaches them the error of their ways.
Right now a lot of people are starting to use computers who could never use them before. I saw a 70 year old woman in a keyboarding class the other day. With all these people new to computers, the first thing they look at is PC.
So the PC manufacturer's maket share will increase faster. This does not mean that Apple is losing anything.
If Apple gains 500,000 new users, and Dell gains 1,000,000, Apple's market share will appear to drop. They still made a large gain, just not quite as much as the others.
Additionally, most people compare Apple to Microsoft. That is silly. Linux should be compared to Microsoft marketshare wise.
Apple is a HARDWARE company, not software company. If Apple started licensing their OS and IBM selling their G5's to other manufacturers like Dell, then Apple could be compared to Microsoft. Since Apple is the HARDWARE company, Apple is directly competing with Dell and Gateway and the likes, NOT with Microsoft.
Dell has what, 15% marketshare? THAT is what Apple is targetting. Once Apple hits 15% marketshare, they will be the biggest hardware company. It might be a waaaaaaays off though
Most people look at Microsoft's 95% or so of the market and think "Apple is really losing bad". But Apple is a hardware company, and if you look at the other market shares, Apple is whupping the rear off Alienware and Sony and others. They are the FIFTH LARGEST in Marketshare for hardware companies. They are #1 for technical support. They are FOURTH in earnings. They are doing quite well