Twitter photo sharing service TweetPhoto is encouraging developers to use its platform by giving them a way to earn some money. The service pays developers by the number of photos that its users upload via the TweetPhoto API.
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.
After our recent look at the growth of social APIs, we thought we'd look back at the history of the category. We added the Plazes API in September, 2005. In terms of the web, this is recent history. In terms of APIs, we might as well be looking at scrolls. In fact, less than half of the first 10 social APIs are still alive today. Below you'll find a list of those trailblazing 10, along with a status for each of them.