Skill-Pill is an interesting new mobile learning service that delivers concise audio-visual briefings and skills training via mobile phones and PDAs. An individual Skill-Pill comprises up to two minutes of rich media content; the idea is to reinforce key skills and provide relevant information “and motivational prompts” to help the recipient make the most of an imminent business opportunity — a meeting, interview, sales pitch and so on. Could be useful in a time-starved world …