This may help some folks to 100 SP: https://steemit.com/contest/@thedarkhorse/round-3-free-delegations-for-4-weeks

Also, perhaps you already know about this?https://steempeak.com//steem/@tarazkp/saviour-of-communities-steem-growth-through-acquisition-breathe-free
I would think the 50K people who recently migrated their Tumblr accounts might have some problems with RCs early on.