Kerri Simmons, Director of Solution Architecture at SweetRush (a learning and performance vendor), wrote a nice set of 10 recommendations about using learning in small chunks…
Check it out by clicking here.
The one thing I noted from her description is that she seems to be referring to more of a pull strategy than a push strategy, which tends to be less effective unless learners are highly motivated or required to complete the learning nuggets.
I'll reach out to her to see if she'd like to provide additional reflections…