Exactly, tip only use 1-3 hash tags. Using more twitter starts blocking it for spam. 1 is optimal but I'm sure it doesn't fit for most cases.
Anyways twitter is a very easy way to promote to the masses interested in crypto already as it's a common topic there. It's easy to just blast your article on there you just wrote to gain some traction but also consider setting something up that introduces people to hive to help them understand it and how it works.