Creating timelines has always been a tool proven and successful organizations have use to keep things going on a timely basis. Setting goals or deadlines is one thing, putting them on paper, visually is another. Once you see it, it is easier to concemtulize as well implement. It also to day has never been easier. There are lots of options now to link, insert videos, comments, etc. Some of these places also have great deals for teachers who are always on the lookout for timeline creators.