AddThis, a leading social infrastructure and analytics platform, has just announced the release of Social Brand Advocates, a new managed marketing service created to help companies connect and engage with consumers that are loyal and enthusiastic about their brands. In addition to marketing services, AddThis offers social plugins, analytics and consumer engagement tools as well as a variety of APIs and SDKs that allow developers to integrate the AddThis platform into websites and applications.
Seevl is a new kind of music discovery engine. It allows you to find how artists are similar to each other and which artists are most similar to each other, among other things. It also allows you to comment on the notes about artists within the database. This is all well and good, but better yet, it has the Seevl API, allowing developers to integrate Seevi into their own applications.
Twitter recently announced what developers have been expecting since at least its Chirp conference. Links posted to Twitter will soon be passed through the company's own link shortener, t.co. It could be bad news for other services built to fill the link shortening need, such as Bit.ly (our Bit.ly API profile).