Reverberate: US media and marketing news you need to know – Twitter upgrades DM feature, Jon Stewart announces final Daily Show appearance & new Uber lawsuit

2. Jon Stewart is to make his final appearance on The Daily Show on 6 August, notes the Verge. The presenter of 19 years announced the date at the end of the Comedy Central show last night and directed fans who are looking for tickets to an autism fundraiser he's involved with on crowdfuding site Omaze.

3. A California court has ruled that Uber must face a lawsuit which claims the company has discriminated against blind people by sometimes refusing service to passengers with guide dogs, writes Time. The ride-sharing startup has two weeks to respond to the complaint.

4. Periscope came out on top at Coachella 2015 garnering 1848 mentions to Meerkat's 1064, claims the International Business Times. The Twitter-owned live streaming service clocked up 49 per cent more live stream counts over the festival than its rival.

5. IBM's first-quarter earnings have topped Wall St. expectations, writes the New York Times. The computing giant's strategic initiatives revenue grew by more than 30 per cent overall, whilst cloud computing revenue surged by 75 per cent.

6. And Publicis Groupe reported a 31.7 per cent lift in revenue to €2.1bn in its first quarter. The French holding group said the increase was due in part to the positive impact of exchange rates, as well as the inclusion of the recently completed acquisition of US-based digital marketing and technology company Sapient.

7. A security breach has exposed 1000 iPhone and iPad apps to possible hacks. The bug was in AFNetworking – a piece of open-source code that at least 20,000 apps use – though only five per cent of them used the specific version and section that contained the bug, says NBC.

8. Yahoo has filed a document with the SEC that gives some new details about its renewed search contract with Microsoft, asserts Business Insider. The document reveals terms set by Yahoo which could see the company make more money from the search results it delivers via Bing.

9. Apple released its 2015 Environmental Responsibility Report yesterday underscoring its commitment to lessening the environmental impact of its products and operations, says the Huffington Post. The company stated that it doesn't want to debate climate change, but that it wants to "stop it".

10. And Snapchat is cheekily using its own app to encourage employees of rival firms to jump ship and work in LA with the social network, reports the Guardian. The silicon valley firm has inserted geofilters – visual overlays applied to snaps sent from a specific location – for images sent from the offices of companies such as Uber, Pinterest and Airbnb.

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