A video from Devoxx featuring James Ward was a good intro to Kafka. Without having used it or any NoSql database before it looks like it does a lot of heavy lifting for applications with large scale data requirements.
I wanted a record of my professional activity online for future reference and for potential employers to peruse. It occurred to me that email would be the easiest method and sure enough, there are a number of sites that support this. I went with Google/Blogger (as you can see). How to Post by email from Blogger help doco.