top tweets

Tim Bradshaw

This time last year, Twitter wrote a somewhat smug blog post trumpeting its success in tackling spam. It had reduced the percentage of tweets that were spammy from a peak of almost 11 per cent in summer 2009 to less than 1 per cent in February 2010, it said. Everyone was very pleased.

Fast forward a year, and it seems that the spammers are starting to stage a comeback. Read more