Why Twitter’s decision to allow blanket DMs is a mixed blessing for marketers.

We crunch the latest figures from the email marketing world.

Why Facebook’s update could be good news for marketers.

Twitter cosies up to marketers by offering scheduled tweets.

Google’s mapping behemoth goes off road to discover events and business listings.

We put three photography apps through their paces.

Twitter will soon glean user data to power offsite advertising.

Google is about to start using your face, reviews and recommendations in advertisements.

We look at how mobile reviews are boosting local businesses.

Foursquare moves beyond the check-in.