Yes it can.
You can install one dropbox client in one computer. If you want use two Dropbox accounts then sync 1st account and after that log-in to other dropbox account.
You'll have to pay twice, but you can save two usernames on one computer. Switch when you open the launcher.
iTunes for the computer is very different than the iTunes that you have on your iPod Touch. You can only have the iTunes from your computer when you download it for your PC (not for the Mac, there are two separate iTunes softwares) from Apple's website.
You can't share a game between two accounts on steam, you'd have to buy the game again on the other account.
use different browser
you carnt. you need to plug i your iPod then go to start menu, computer, and removable devices. this will then show your iPod. doubble click and the music willl transfer on to the desktop. then copy the folder to your new itunes library.
There are two answers.The first one is if you have itunes you can get a usb and connect it from the computer to the psp.Next you copy it to the psp and your done.The next way to do it is the same way but you dan't have to use itunes,and you have to put an audio CD in the computer (If you can).
cheat
no but u can have two accounts
There are two ways: The first way is to take the memory stick from the computer that has your songs on it and stick it into the other computer The other way is to burn CD's with all your songs on them then inject them into the other computer, then open up itunes and it will appear
Click on the Sign In button underneath the Search box (top right corner of iTunes store). If the button is showing an email address click it and then log out of that account. Go through the Create New Account procedure using the details for the second account. You can then login using either account.
use two different browsers like internet explorer and firefox