The direct link to users also allows firms such as Google continuously to improve their interface, something traditional software-makers were not able to do.
与用户的直接接触也使得Google这样的公司持续改进它们的界面，这是传统的软件制造商所无法做到的。
2
More important, softwaremakers depend on the goodwill of outside developers, whom they rely on to keep updating their products.
更重要的是，开源软件制造商依靠外部程序员的良善意愿，因为正是这群人时常更新他们的产品。
3
Softwaremakers are also stepping up to address the problem of PC energy.