int appeared that led me to my new-found famous cousin, an edge was connected from the nodes in my family tree to the nodes of Alan Rickman and his ancestors. It had been hundreds of these edges over the previous months that had allowed me to reach so far and wide into my own ancestral history. Thirteen years earlier when I last tried this, that graph simply did not exist.</p>
<p>Like it or not, nowadays most of us are a part of at least one big graph which has come into existence in the early years of the 