1. Twitter unveils new multimedia features (The Guardian)
New Twitter.com to include inline pictures and video along with an updated design. Charles Arthur takes a look.

2. Is an Enterprise Architect the Medieval Barber? (Gartner)
A slightly bizarre blog to begin the day: Mike Rollings examines what his father’s job has to do with modern enterprise architecture.

3. IBM Summit’s first three days? – a great Start! (GreenMonk)
Tom Raferty talks us through the early stages of IBM Summit at Start – Big Blue’s efforts to create a greener, more efficient and smarter planet.

4. Jack Dorsey on Square, entrepreneurship and Twitter’s mistakes (TechCrunch)
At the DEMO conference in Santa Clara, VentureBeat’s Matt Marshall quizzed Twitter founder Jack Dorsey on a variety of issues – Alexia Tsotsis rounds up the most interesting answers.

5. Cloudera: All your Big Data are belong to us (GigaOm)
As Big Data gathers steam within the consumer web, Cloudera is making it possible for mainstream IT to tap into this trend through its distribution of Hadoop, suggested by the company’s customer growth.