While the arrival of tabbed browsing on the iPad was a boon to any user prone to opening more than one site at once, it brought with it the potential for accidentally closed tabs. Luckily, Apple built-in an easy way to reopen those tabs without needing to dig through the browser history. To reopen a tab, simply tap and hold on the new tab button, and a menu will appear listing your recently closed tabs, meaning that slideshow you accidentally nixed…