見ているなう is a free Chrome add-on developed by 久米史也. This add-on allows users to easily tweet the web pages they are currently viewing with just a click of a button.

With 見ているなう, users can conveniently share the web pages they find interesting or want to recommend to their Twitter followers. The add-on adds an icon to the top right corner of the Chrome browser, providing quick access to tweet the current page.

This add-on is a great tool for those who frequently use Twitter and want to share web pages without the hassle of copying and pasting URLs. 見ているなう simplifies the process by enabling users to tweet directly from their browser, making it a time-saving and efficient solution.