I suppose, it is tricky to ultimately distinguish between the value of synchronous and asynchronous media for learning and teaching when it is unclear as to what the purpose actually is, to be fair.
1. if it is to embed videos then that is pretty easy in Moodle-we all know that...it is a question of cut and paste url into Ed...or html it.
2. for live webinars...this is quite different...BBB....is more of a conference, cum select participatory tool, and it does have sync issues as I said before. You cant have 100 students on BBB at the same time-fact.
3. Google hangouts is an interesting tool because you can have video/text....and twitter at the same time...as in the Moodle Mooc-right Mary? It is a good way to take live questions whilst the teacher is on air.
4. Dr Nellie Deutsch does a good turn with this type of thing in Moodle with WIZ IQ.....superb set up and reaches a mass audience for online L&T
5. I know there is a chap at Southampton (Prof Mike Wald) who is working with some kit to blend sync/async...and that looks great....but I need to spend some time looking at that.....and get back to him in terms of Moodle-fruitful-progress....he has some great ideas, as I said.
Essentially, tis about putting the learner first, they are the ones signing up to engage with the online oppts....sync/async...........so, fitness for purpose is what matters most.
Embedding videos should be very easy if you are using moodle, and live engagement oppts should not really be a big deal in 2015, I could be wrong.
D