Hootsuite, the Twitter management tool, has added some handy new features to its iPhone app recently. Here are some of the highlights: In a single click, you can now translate foreign messages in more than 50 languages to English to keep track of international customers and competitors. You also can comment on Facebook news feeds and post messages on Facebook pages and profiles from your HootSuite account. Multi-taskers will enjoy a placeholder feature that remembers where you left off in a stream if you get distracted. You also have the option to save a draft of a message and finish it later. Cost: A free Lite version of the iPhone app is available in the iTunes App store; the full version is $2.99. Plus: Find out how entrepreneur Lori Highby uses HootSuite to manage her Web design firm's tweets in 'How to Use HootSuite for Business,' which appeared in the February issue of Inc.