There is no need to register or pay for the service, but you will receive advertisements and forced URL redirect sometimes.
不需要注册或者为此服务付款，但有时会收到广告和强制UR L重定向。
2
In case that the infrastructure provider suffers a major outage the startup is forced to migrate the service.
在基础设施提供商遭受严重的中断的时候，新公司被迫迁移服务。
3
It also limits the availability window for the old Web service, so Web service consumers are forced to upgrade to the latest version before the next release.