How can we gather weather info with an embedded device? Use the Open API instead of ordinary methods using sensors.
IFTTT is able to create thousands of new services by combining various services like IoT appliances (washing machines, refrigerators), wearables, mobile applications, even social networks such as Facebook or Blogs. Among the countless services, it's also possible to DIY - linking the MCU i.e. Arduino with the other services listed above. Take advantage of IFTTT's services with examples covered in this article.
WIZnet Museum already has 50 or more projects using MQTT and the trend of projects using MQTT is increasing.