Older Web Browsers
『Google、IE7など旧バージョンブラウザのサポート終了』(/.-J)経由で"Our plans to support modern browsers across Google Apps"(Official Google Enterprise Blog), As of August 1st, we will discontinue support for the following browsers and their predecessors: Firefox 3.5, Internet Explorer 7, and Safari 3. In these older browsers you may have trouble using certain features in Gmail, Google Calendar, Google Talk, Google Docs and Google Sites, and eventually these apps may stop working entirely.