Google Wave is a great tool to collaborate with a small group of people and to share and discuss information from the web with your friends. However, to get interesting information from the web into a wave you have to use old school copy and paste. Until now! Today we're announcing WaveThis , a set of easy ways to create a discussion in a wave directly from the site you want to share. Look to the right of this blog post. You'll see a "WaveThis" button that lets the visitors to this blog (that's you!) easily discuss this blog post with their friends and coworkers in a small group. It's less public than broadcast tools and more interactive than using email. When you click the "WaveThis" button, it will copy the title and URL of this post and drop it in a new wave. Then, you can add your friends to the wave to start discussing. Try it out! Of course you will come across stuff on the web that you want to discuss in a wave where there isn't a WaveThis button ready for you to click.…