This Python source code provides snippets of code to set the API authentication, fetch data, add rows to account table, create database, create table in database, iterate over handles and hit the API with each iteration.
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.
Twitter's announced "promoted tweets", a way for businesses to send their status messages into the timelines of users who may not follow them. Many developers are wondering how it affects updates via the API--will promoted tweets show up in results from API calls?