Sinclair Research worried that Clive Sinclair himself was using his own personal wealth to fund his inventions. By 1990 the company's entire staff had been reduced to just Sinclair himself, a salesman/administrator, and an R&D employee. By 1997 only Sinclair himself was working at his company. In 1992, the "Zike" electric bicycle was released, Sinclair's second attempt at changing people's means of transport. It had a maximum speed of , and was only available by mail order. Much like the C5, the "Zike" was a commercial failure, and sold only 2,000 units. In 1999 Sinclair released the world's smallest radio, in the
Personal public transport such as bus, rail, taxi and rapid transit as well as paratransit and personal rapid transport. Instead of utilizing routes, in the way that traditional public transport does, a PPT system operates within a defined area, termed the coverage area. Vehicles can be found or left anywhere the law allows within that area or at specific locations within the coverage area. Examples of specific locations can be public or private demarcated areas shared with other vehicles or specific station locations. The vehicle is designed to cater to an individual user or a small party’s transport needs. The vehicles are intended