Hey, Valentine loves – we’re building a Post-it® Wall of Love!: 3M Wall of Love This is no ordinary wall – this one is all about togetherness, friendship and love. Not only that, 3M will build the wall and wants YOU to fill it for Valentine’s Day! To celebrate Valentine’s Day 2018, 3M Consumer Division is setting up an exciting opportunity for you to tell your loved one … [Read more...] about Hey, Valentine loves – we’re building a Post-it® Wall of Love!