MANILA, Philippines - On episode 4 of TechRap, new Blackberry phones to be launched January 30th, are better things ahead for the troubled smartphone? We look at the future of Facebook and Twitter as seen from recent updates to their mobile apps, and the battle between Israel and Palestine goes online.

HEADLINES:

• Nexus 4 sells out on first day on sale in US and Europe
• RIM to launch Blackberry 10, 2 new smartphones in January
• Windows chief Steven Sinofsky quits Microsoft

APP OF THE WEEK:
Facebook and Twitter update mobile apps

FEATURE:
The war between Israel and Palestine extends to the Twitterspace.

WATCH PREVIOUS EPISODES:

Episode 3: Dragon Baby's secrets & iPad mini unboxed

Episode 2: New Windows Phone 8, old skeuomorphic iOS

Episode 1: Bad Piggies meet the Galaxy Note 2

- Rappler.com