When you import tagged articles from another service, Instapaper will automatically import those tags and add them to your articles.
Through the end of November, we’re offering a 2-month free trial for Instapaper Premium when you import from another service at https://instapaper.com/user.
Multi-column support is being piloted in Instapaper 9 for iOS. Multicolumn layout is a great way to take advantage of the entire screen for reading on your iPad. You can enable it by navigating to text settings > Swipe Left > Multi-column (ON).