Despite juggling careers on both sides of the Atlantic, it takes more than mere time zones to hinder Piers Morgan's relentless presence on Twitter at any given hour. Seamlessly dividing his energies between insulting that "clod" Lord Sugar and promoting CNN's American-election coverage and lambasting England's cricket selectors, Piers is a tweeting multitasker.

A sizeable amount of the world's biggest brands have built up an impressive following on photo-sharing service Instagram, warc.com reports. According to figures from insights provider Simply Measured, over half of the world's 100 most valuable brands were using the platform as of November 2012. In comparison to other networks, 98 out of 100 of these brands are using Facebook and Twitter, while 67 are using Google+. Pinterest is another site gaining traction, attracting 63 of the 100 brands.

The Sun is facing mounting pressure to ditch its famous page 3 slot, after activists mounted a nationwide petition to discuss an advertising boycott. Campaigners organising themselves via Facebook have been camped outside five supermarkets seeking signatures from shoppers to support their aim, whilst labelling the feature as a sexist hangover from the 1970s that is out of place in supermarket geared toward the family market.

The radio industry's efforts to encourage consumers to go digital is to be led by a bearded, medallion-wearing 1970s soul singer called D Love. The spoof animated character was unveiled by Ford Ennals, chief executive of digital radio switchover body Digital Radio UK, at a conference in central London on Monday.

A law that aims to protect children from harmful internet content by allowing the government to take sites offline has taken effect in Russia. The authorities are now able to blacklist and force offline certain websites without a trial. The law was approved by both houses of parliament and signed by President Vladimir Putin in July.

Apple has taken out adverts to issue a new apology to Samsung, having been order to reword the initial statement. The latest apology is far more straight forward than the previous one, which seemed to mock Samsung, claiming that the company brought out products which were 'not as cool' as Apple's. Apple initially claimed that rewording the apology would take two weeks, although the latest apology has appeared in UK newspapers less than 24 hours after being ordered to rephrase its statement.

Charged with following Debrett's Netiquette, Twitterholic Grace Dent managed about 10 minutes: "Making a set of rules for the internet is impossibly hard. I should know, I wrote my own book about Twitter a year ago, which was based on four years of observations on the site. Any rule I set in place simply fired up a Twitter debate and a hundred variations were thrown back at me. Policing the internet is like herding cats."

Replica copies of 10 Newsquest newspapers have been launched on the Kindle Fire tablet, as the publisher tests out demand on the platform. As with the iPhone and iPad newspaper apps, launched in March, the Kindle Fire apps are replica editions produced in partnership with PageSuite.

Indie travel publisher TRVL didn't like the software it had to use to make its free, iPad-only magazine - so it built its own. Now TRVL is giving away PRSS, hoping to kickstart other would-be moguls, and make a buck of its own. The Dutch men behind it want to help other would-be publishers feel the same glow - by giving away dedicated new web-based software they recently wrote themselves to redesign their own publication.

Search giant Google has denied a report published in a French publication that claims it had received a EUR1bn tax claim from France. The French newspaper Canard Enchaine reported that the French Tax Administration was seeking to know whether Google's practice of charging French advertisers through its European headquarters in Ireland had helped the company paying less taxes in the country. Le Canard Enchaine reported that the company generated an annual revenue of estimated EUR1.25-EUR1.4bn, but had only declared EUR138m, paying over EUR5m in corporate tax.