ESP8266 - End to end communication

I just ended writing a code sample showing one way to send a few bytes from an ESP8266 to a remote host, using Espressif RTOS. These few bytes could be a value generated by a sensor driven by the ESP8266, for instance. This code, with the associated server, can be found here.

And, before I dismantle my fantastic breadboard assembly, here are two pictures of it:

Next version will be a circuit board...