So instead of attending San Francisco’s Twestival, on Thursday night I spent about $90 and came out ahead with one pair of leather boots, patent peep toes and a delicious meal of Mexican food with close friends. It may not have been exactly what Twestival promised—a $20 charitable donation for a night of networking, social schmoozing and an opportunity to match actual faces with people’s Twitter avatars—but my shopping excursion was well worth it and gave my morale a hefty boost. Sadly, this San Francisco-based handbag & shoe company known for its delicious leathers,...