Sadie Teper of Twentysome Design

True progress may occur only at the macro level, but it begins on the micro level. Just ask Sadie Teper, founder of the feminist stationery and gift brand Twentysome Design. Her hand-lettered range draws big laughs as it voices our often unspoken thoughts — just ask her craft fair patrons, or the stores across the country that stock her. 

But beneath the humor, the message is always a positive, inclusive one, which is that much more powerful held in your hands. Thus one card reads, "I love watching you rise/Congrats on your promotion"; one of my favorite Twen...