'The Physical Internet' as a buzz phrase has been thrown about a fair bit recently and only really recently have I seen things start to get interesting. I really like the idea of making the internet tangible and a flipside to this is taking a real world interaction and broadcasting this onto the net. A few things have made this much more attainable ->
1) Twitter and other systems have opened up to let other systems interact through them via an API to send/retrieve data.
2) Electronics such as arduino or ioBridge have made the geeky electronics bit much easier.
3) Programming interfaces such as Processing or Openframeworks have made the geeky programming bit much easier.
Here is a little recap of some interesting/useful/useless/fun interfaces.
Easily share and embed source code. Snipt lets you share source code in any of dozens of programming languages, formats it, and then generates a short URL you can share or embed.
PHP is one of the most accepted codding and scripting technologies, especially for web forms, web designing and dynamic programming and it can have ability and it can be attached into HTML language. PHP technology runs on a web server, the coding of it works as the input and output is the making of website pages.
"I made this little program so you can view and link to a whole conversation from Twitter in context. Just enter a Tweet's ID to get started (it's the number in the URL of an individual Twitter page):"