Back in March, Google changed the design of their SERPs (search engine results pages) and has made a real impact on SEOs. Moz was kind enough to roll out a handy little tool that allows you to preview your titles as they would appear (approximately) in Google.
Why is it important for marketers to preview? The Google redesign has changed title size and length, and as Moz points out, there's now no "magic number" before your title gets truncated. Please check it out, share it with your comrades, and USE IT! Screenshot below: