Problem: Add spaces: Theeventsofthepastseveraldayshavebeendeeplytroublingforme,andI'veheardfrommanypeopleatApplewhoaresaddened,outragedorconfused.

Spaces added: The events of the past several days have been deeply troubling for me, and I've heard from many people at Apple who are saddened, outraged or confused.
This text is missing some spaces, please add them: Thereactionoccurswhenindirectcontactwiththecausingagent.Theeczemais,therefore,designated"contacteczema".
The reaction occurs when in direct contact with the causing agent. The eczema is, therefore, designated "contact eczema".
input question: Fix spacing: Last10newssubmissionsbyypede:

output answer: Last 10 news submissions by ypede:
Problem: Brussels,20September2010
What's a sentence that uses these characters?
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Brussels, 20 September 2010
Add spaces: Therearecoachestohelpseriousrunnersimprovetheirstrideandtodayvideoisoftenusedinthisanalysis.

Answer: There are coaches to help serious runners improve their stride and today video is often used in this analysis.
This text is missing some spaces, please add them: Theconsumptionofprimaryenergyincreasesbyapprox.30%.
The consumption of primary energy increases by approx. 30 %.