The company's "number one strategy" is to let users try the service free for a month, he added.

About 35 million tobacco users try to quit every year.

The user on computer B can now try another connection or take other action.

Often a separate window with a larger ad would pop up over the page the user was trying to read.

Rather, the user is trying to locate a number of documents which together will provide the desired information.

Many users are trying to install the software on machines that simply can't run it.

The users tried to appeal to the Supreme court, but their request was denied.

They're good when they support the task the user is trying to accomplish fairly directly.

First-time users can try the service free for up to 100 words.

The user tries again with the correct serial number this time.