If you sell PCBs or pedals, take a close look at your twitter followers...

If you're running a small business that sells pedals or even just PCBs for hobbyists pedal builders, double-check your twitter followers to make sure you don't have any patent law firms or patent intelligence companies following you.

If you have even a minimal presence on twitter, I highly recommend you do some occasional analytics on your list of followers (and also on who you are following). Here are a couple great, free tools to help out:

https://followerwonk.com/
http://www.twitonomy.com/