Segment.io is a Y Combinator-backed startup looking to help developers manage multiple analytics platform APIs within their applications. Developers often use different services for tasks like tracking referrals, event tracking, and email targeting.  The service supports 20 different client side and server side platforms currently, including Google, KISSmetrics, Mixpanel, Chartbeat, HubSpot, and Salesforce. [Source: TechCrunch]