Simplicity in user interface combined with the power of the what is returned equals uncommon success.
The Google interface allows complex queries with the most basic interaction.
The Twitter interface allows publication into the social conversation stream with a user interaction that looks very similar.
One interaction is asking, the other is telling.
[…] of constraint, which Cliff Gerrish calls it Interface for telling. I think Cliff's description is by far the best one I have seen […]
Brilliant observation.
Last year I blogged about strong intentional relationship between Google and Twitter character constraints.
http://www.onemoreidea.org/why-twitter-matters/
Enjoying your blog and tweets.