@Julien Tumbler/Posterous are sort of on the line. Do they have firehoses? WordPress/Typepad are primarily *not* microblogs, and thus a bit out of scope, I feel.
Microblog
@Julien Tumbler/Posterous are sort of on the line. Do they have firehoses? WordPress/Typepad are primarily *not* microblogs, and thus a bit out of scope, I feel.