If you are in the software development industry you need good ways to keep up to date with technologies, tools and ways of working. One thing I recommend is to subscribe to the Hacker newsletter
"A weekly newsletter of the best articles on startups, technology, programming, and more. All links are curated by hand from Hacker News."
You get a new mail every Friday with categorized links, e.g. Favourites, Design, Books, Working... I'm not reading everything but it gives a good overview of what the hot topics are and there is always something worth the time reading. From the latest one take a look at Surviving Your First Year and Airborn – Private Google Docs Alternative