The site doesn't mention how many profile lookups are allowed per month at the given tiers... how many user profiles are you looking up? Does this include twee

The site doesn't mention how many profile lookups are allowed per month at the given tiers... how many user profiles are you looking up? Does this include tweets/retweets? As for the pricing, it's likely they really don't want anyone unlikely to hit the upper tier to even try developing against their APIs to begin with.