FT columnist Lucy Kellaway explains how not to compose your summary on the networking site LinkedIn. She looks at the profiles of Hillary Clinton, former GE head Jack Welch and LinkedIn co-founder Reid Hoffman. ► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs For more video content from the Financial Times, visit http://www.FT.com/video Twitter https://twitter.com/ftvideo Facebook https://www.facebook.com/financialtimes