That old 20kb program didn't have a docking toolbar, splitter Windows, print preview capabilities, or control container support-features that users now expect.

旧的20kb的程序不支持工具栏的停靠，窗口分隔，打印预览，或者是容器控件的支持，现在使用者可以使用这些特色了。

youdao

The options businesses can have control over include print, preview, subscription periods and timed access to content.

BBC: Digital rights and wrongs