You have to have some kind of a limit. The 2G is the isolated storage limit, that is the size of content in your application work folder. In theroy your app can be tht size, but then the question how practicl can it be since all apps have to be downloaded
from the market place via network...
The Short story: The answer is yes. Taskbar is part of your explorer.exe process, which run as standard user. If you run as admin, the tasbkar manager can't cross the mitigation boundry and therefore the messages are not sent (or recieved)
by the elevated running application.
To ChrisStepaniuk. Most samples shown in this video can be found in the Windows 7 RC SDK. You can find them in the \Program Files\Microsoft SDKs\Windows\v7.0\Samples\Touch
Hi big Al,
To answer you last question, yes. You can control the way you group different windows in to one glom or several gloms. Watch the
Jump in to Windows 7 Taskbar Jump Lists for more information and examples.
Comments
Inside Windows Phone #07: Meet Some of the People Behind Windows Phone
Ya - nice catch
more (videos) are coming today... 
Windows Phone Application Life Cycle
Thank you Kiarash for your kind words... Between not having this video to having it as it is righ now, what do you choose?
Windows Phone Application Life Cycle
You have to have some kind of a limit. The 2G is the isolated storage limit, that is the size of content in your application work folder. In theroy your app can be tht size, but then the question how practicl can it be since all apps have to be downloaded from the market place via network...
Programming the Windows 7 Taskbar – Using the Taskbar Button Overlay Icons and Progress Bars
The Short story: The answer is yes. Taskbar is part of your explorer.exe process, which run as standard user. If you run as admin, the tasbkar manager can't cross the mitigation boundry and therefore the messages are not sent (or recieved) by the elevated running application.
The Long story:
Please work through the User Interface Privilege Isolation lab on 9: https://channel9.msdn.com/learn/courses/Windows7/UIPI
Please also see our general Windows 7 Developer Training on 9: https://channel9.msdn.com/learn/courses/Windows7
Windows 7 Multi Touch Overview
To ChrisStepaniuk. Most samples shown in this video can be found in the Windows 7 RC SDK. You can find them in the \Program Files\Microsoft SDKs\Windows\v7.0\Samples\Touch
Have fun
Yochay
Chittur Subbaraman: Inside Windows 7 - Service Controller and Background Processing
You can find more contetn in the PDC sessio: Designing Efficient Background Services --> https://channel9.msdn.com/pdc2008/PC19/
Windows 7 New Taskbar - An Overview
Hi big Al,
To answer you last question, yes. You can control the way you group different windows in to one glom or several gloms. Watch the Jump in to Windows 7 Taskbar Jump Lists for more information and examples.
And thanks for the feedback.