#BBCtrending radio: 'Nice pic. Phwoar' and more Twitter gaffes

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2013 was a year full of cringeworthy embarrassment for big companies trying to look good on social media.

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Media captionIs it ok for a CEO to tweet "Nice pic. Phwoar"? The latest BBC Trending

This week, #BBCtrending radio re-tells the stories of how McDonald's, Tesco, Ryanair and others engaged with the public - and sometimes fell flat. Anne-Marie Tomchak speaks to the head of social media for Ryanair, whose CEO Michael O'Leary tweeted "Nice pic. Phwoar" during a real social media engagement session.

So what are the secrets of looking good on social media? Esra Dogramaci, digital consultant for the BBC, joins us in the studio.

BBC Trending airs on BBC World Service every Saturday at 14:50 GMT. You can listen to the programme, and subscribe to our podcast.