If you have a business email address that ends in @yahoo or @telus or @shaw or anything generic you may be showing potential customers that you don't take your business seriously.
This is especially, hugely important if you run a business. Honestly, nothing makes us scratch our heads more than seeing an ad with a business name, tagline, URL, and finally a generic email@example.com
To wit: Get a custom email address. You'll look like you care, and you'll look professional. Google for Work sets you up with a custom firstname.lastname@example.org email + so many more business savvy tech things you need to run your business like a pro.
Here's the article on LinkedIn that triggered today's blog: