In addition to our Sunday App of the Week feature, we also summarize some of our favorite B2B sales & marketing posts from around the Web each week. We’ll miss a ton of great stuff, so if you found something you think is worth sharing please add it to the comments below.

In the meantime, here’s some of what we’re reading:

14 witty jokes for the grammar nerd in your life
Everyone can always improve a little with their grammar. Here are some fun (and witty!) grammar jokes. Thanks, Lindsay Kolowich!

What to do a with a single hour
There are so many things you can do in a single hour. What would you do? Awesome list, Anthony Iannarino.

Critical rules for SEO success in 2015
Search and email are two of the most important marketing activities in the digital age. With Google’s algorithms changing, how do you constantly make it on the first page of search results? Good tips, Martin Laetsch.

The role of PR and content marketing in 2015
Content marketing is the golden child of modern marketing in this day and age. How do content marketing and PR work seamlessly together? Interesting point, Jean Spencer.

The 10 best B2B Instagram profiles
Instagram has become larger than Twitter and is still growing at a rapid rate. It can be a useful for B2B companies if used the right here. Great list, Jeffrey Cohen.

Leadership caffeine – Your critical personal performance questions
Whether you’re already a leader or aspiring to be one, these performance questions can help you get to where you want to be. Great advice, Art Petty.

What sales pros want from product management (infographic)
Analytics are very important to sales professionals. What data do they want to? What data will help them in the future? Great insight, Veronica Jarski.

Five misunderstandings about teaching as a part of selling
With a new interest in insight selling, a lot of sellers are thinking of themselves as teachers. Here are some misunderstandings when sellers try to become teachers. Good stuff, Deb Calvert.

The difference between empathy and sympathy
With the holiday season coming to an end, here are some powerful words on empathy and sympathy in the work place. Good stuff, Brad Feld.

‘Twas the night before month end
Here is a new way to describe that magical moment when a successful sale puts the team’s numbers over the top for the month. Thanks, Lynn Hidy!