These are all great points. Re: filtering, this needs to be better documented, agreed. "present"==="field exists for row, with any value". There's a distinct

These are all great points. Re: filtering, this needs to be better documented, agreed. "present"==="field exists for row, with any value". There's a distinction between empty grey and empty white cells that we tried to make but it may not be apparent to non-programmers. Re: price, we are only a couple cents/min higher than what other barebones API providers are charging. But we are obviously much more than an API service. Hosting all apps in their entirety, along with slick web-based tools to build them, is the extra value we are hoping to provide.