Anyone worth their weight in tweets knows the importance of the 'trending topic'. Twitter is an exceptional social tool, not only for witty banter, but for serious business too. Staying on top of trending topics is vital in the attempt to stay current and relevant, and to know what your target audience is talking about. But how relevant are the trending topics determined by Twitter? For the English speaking world; extremely relevant. For the rest of the world; not so much.
The 600 million numbers that Truecaller has in its directory have been collected via crowd-sourcing. Truecaller’s users can share their contacts and in return they get access to search in the collaborative database. Thanks to this collaborative data solution, the directory is growing and being updated continuously. It also contains numbers that no other directories have, e.g. pre-paid phones.