If schools are going to monitor public streams, they might be wise to use word-based alert systems to flag particular posts rather than having administrators looking at ever single public tweet.
"For the record, Fifa did not tell Kulula that they could not use soccer balls, or the word 'South Africa', or the Cape Town stadium, or the national flag or vuvuzelas, " said a statement from football's world governing body.
Mr McNeill, 43, who also planted a flag for Cancer Research UK in memory of his father-in-law said there was not one cross word during their 28-day trek across the ice, before being picked up by an aircraft and whisked back to base camp.