The best stories across the web on media and technology, curated by Leandro Oliva.

1. BBC news chief pleads with staff not to Tweet about ‘our problems’ (Telegraph)

2. Should live tweeting be protected like broadcast rights? (Mashable)

3. WSJ launches The Accelerators and Startup Journal to cover entrepreneurship (TNW)

4. Quora adds “online now” feature to drive faster answers (AllThingsD)

5. Kinvey service fixes crack in Facebook’s Open Graph back-end (ReadWrite)