1. They've astroturfed a lot. (By paying famous people to use their service.) This has given them a lot of credibility. 2. They basically solve the business model issue for writers, so you really can focus on the writing. At least, more so than the alternatives. 3. Their design is actually pretty nice, and focused on just two things: list building and content. 4. The defaults make sense, and solve real problems for p…
> 1. They've astroturfed a lot. (By paying famous people to use their service.) This has given them a lot of credibility. Paying for what is essentially celebrity endorsements seems like the exact opposite of "astorturfed".
* edit: free choice as in "not swayed by payment"