Filed under: Products and services, Consumer experience, Starbucks (SBUX)Following two secret shows in London and New York, Paul McCartney is planning to stage another impromptu show tonight in Los Angeles. Fans from across the nation have reportedly rushed to Los Angeles with hopes of seeing the former Beatle in concert, as rumors that McCartney will tour are quietly dismissed. McCartney has repeatedly admitted that any tour in support of his first album for Starbucks Corporation (NASDAQ: SBUX)'s music label Hear Music, Memory Almost Full, is postponed until his divorce from Heather Mills is final.According to McCartney's spokesman, around 300 people will be the final tally of fans to see the show at Sunset Boulevard's Amoeba Music tonight. The same article does not quote the number of fans waiting ...