[ultrasaurus]

Assistly's pricing model ( http://www.assistly.com/pricing ) bucks that trend, but I think there's a psychological desire for some choice (to feel in control) but not too much (which might require research) and pricing tiers are a very easy axis to make that decision on.

[7klBo4t8]

ultrasaurus: Awesome thank you. I found a discussion of the pricing model by Matt Trifiro, Assistly’s SVP of Marketing on their blog.

http://www.assistly.com/blog/ilincoln-murphy-matt-trifiro-di...

Matt discusses the factors for the lack of price tiers around 30 minutes in.