Smooth experience

When the user is performing a certain process, it should be avoided the unrelated content interrupts the user.

Smooth experience

The flow experience should be smooth, avoiding user distraction during operation. e.g: Try not to pop up the ads dialog immediately after the user enters the homepage, so as not to interrupt the user's use of the core content of the service.

The flow should be meet user expectations, avoid outside user anticipated matters interrupting the user decision.