Is the digital double posing as you stealing your cash?Blikbrein When we go online to tweet, post, like, email or chat we surrender small pieces of our identity as we do so – a surname here, a nickname there, the name of our favourite pet. These tidbits of data seem harmless by themselves because they are spread thinly across many different places. It would be impossible to tie them together and turn them against you, wouldn’t it? No. Not at all.