But on the other hand you do get some advantages in return for that sacrifice of your 'reseller' right. For example, the ability to use your game wherever you w

But on the other hand you do get some advantages in return for that sacrifice of your 'reseller' right. For example, the ability to use your game wherever you want, however many times you reinstall or whatever. Theres a real risk Valve or any company that controls your software could go bust - and then you'd be in trouble, but in my opinion Valve is more trustworthy than, for example, EA - since you can at least redownload your software and use it more than some fixed number of times.