Touchatag tags are standard issue NFC tags that cannot be overwritten, read more
Since the May 19 announcement of the new tools and APIs for developers, there have been some great requests for extensions to that functionality.
Through the ACS Block System, we delivered some of the requested functionality just this week. Now online are several new functional blocks that touchatag developers can immediately put to use.
For example, the new Calculator block allows you to perform mathematical operations within a block workflow using standard operators (+, -, *, /, and so forth).
You will also find that several new data type converters provide further flexibility for your applications. For example, the TextToURI block now lets you to take a response from your external web applications (handled by the HTTPResponseProcess block) and use it as a URL that to send back to the end user's system (as a WebLink action).
Here is the complete list of new blocks: