Stacey: Where do you study? purchase sulfasalazine online Social media can be treacherous for any large firm. Just ask JPMorgan Chase, which provoked a frenzy this week after its #AskJPM hashtag was hijacked by angry customers. Big banks arguably face more challenges than other large corporations because, while they must use social media to reach out to customers, they still face substantial reputation damage from the financial crisis. Following are some of the worst experiences banks have had to date.