Every day, there are countless seconds that slip by that could probably be put to better use. A set of new apps from researchers at MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) looks to take advantage of those "micro-moments," giving lifehack junkies a new opportunity to wring every last bit of productivity out of their days to learn a new language. WaitSuite is billed as an opportunistic micro-learning package -- just imagine a more obtrusive version of Duolingo popping into your idle moments. The developers of the software call the method "wait-learning," which they described in a paper published in last month's edition of ACM Transactions on Computer-Human Interaction. The tools can be applied to make better use of your time during five common daily tasks with mini-wait times: Wi-Fi connection, sending and receiving emails, holding an instant message or text conversation, taking an elevator, or loading content to your phone.