The 'x' factor: is ending a text with a kiss flirtatious?

Not according to a judge’s recent ruling, but the letter X can be an ambiguous signoff. Is it best avoided?In the latest example of digital communications being difficult to parse – at least consistently – a judge has ruled that ending a text with a kiss (the letter x, that is, not an emoji) does not constitute flirting. In the case of this family court dispute, a woman’s estranged husband had tried to argue that it did.There is yet to be a universal established etiquette