[1] It could be summoned by phone call or SMS, and used GPS to automatically make its way to the customer, collect the rubbish, and take it to a dustbin.

[4] It uses a gyroscope to keep it upright, and has ultrasonic, infrared and laser sensors to avoid collisions with static and dynamic obstacles.

[6] This is especially important in the case of gases that humans cannot sense or when long-term exposure to slightly increased concentrations needs to be verified.

Its main weaknesses were "slow service/traffic problems (and) low bin capacity", and also the existence of "barriers to entry", according to a report by Nicola Canelli presented during ICT 2010 Conference Session, held in Bruxelles, September 27, 2010.

There is also a reference to the project in a presentation by Paolo Dario at the International Workshop on Autonomics and Legal Implications (Berlin, November 2, 2012).