Google Docs is buggy and absolutely unusable on a slow or unreliable internet connection. If type-setting and page formatting matter, it is not a good solution. Reliability isn't up to par with their local application counterparts.
Yes, those options exist. They cover basic use-cases well, but come apart at the seams for others.
Yes, those options exist. They cover basic use-cases well, but come apart at the seams for others.