I have tried them (total budget 10,000$). Honestly it really depends on your industry and the kind of product. But it did not give me the right "transactional" results. My thesis in performance marketing is that places like Twitter and Snapchat are great for increasing brand awareness.

Why? because twitter knows your interest graph and for me it will show great travel videos/articles

But google ads are best for revenue generartion

Why? because google knows my intent and it can show ad for "best diving sites in nha trang" when I am intending to go diving in that area...

tl;dr - try for a small amount and experiment but going super hyper personalised segment. if it doesnt work for a 100$ campaign, it wont work for a 10,000$ campaign too.

Hi Max.. hmm makes sense - yes I use calendly myself. But I always struggle to figure out if my time is being spent well e.g. I am a recruiter right now and my success really depends on X candidates engaged per week

And that X keeps oscillating week on week. I am currently working on building a small tool to gimme some of this analysis right now.. lets see :)