The Open Exchange Rates API currently provides real-time, hourly-updated exchange rates and historical data for 161 world currencies that can be used in web and mobile applications, frameworks and with any programming language.
The defacto standard for online surveys, SurveyMonkey, just added phone polling to its services. What's remarkable about the addition is that it came via an acquisition. The company now owns Precision Polling, a site for creating and executing polls over the phone.
Stock trading systems community Collective2 is bringing automated trading systems to the retail brokerage customer. Joe Shmoe can now have access to a trading system developed and practiced by an experienced broker, mad technical analyst, or possibly even a computer algorithm. The Collective2 API will make it possible for quant systems all over the internet to trigger trading in unknown numbers of retail customer accounts. Dangerous? Frightening? Futuristic? Yes, Indeed.