TweetPeople may share a language, but be divided by cultural factors that stop communications from working.
For example, Northern Ireland has a strong sectarian divide between Catholics and Protestants that does not exist elsewhere in the UK.
In 1690, Protestant King William of Orange defeated a Catholic army.
Ever since, orange has been a symbol of Protestantism.
Mobile network Orange had great success with the tagline “The future’s bright, the future’s Orange” on the UK mainland, but this would not have gone down well with the Catholic population in Northern Ireland.